Encyclopedia

Defense Courier Service The Defense Courier Service (DCS),is established under the United States Transportation Command (USTRANSCOM), and is a global courier network for the expeditious, cost-effective, and secure distribution of highly classified and sensitive material. Operational control of global courier activities is exercised through USTRANSCOM's Defense Courier Division (TCJ3-C).
Defense Criminal Investigative Service The Defense Criminal Investigative Service (DCIS) is the criminal investigative arm of the Inspector General of the United States Department of Defense (DoD). Its stated mission is to protect America's warfighters by conducting investigations in support of crucial National Defense priorities.
Defense Discovery Metadata Specification Defense Discovery Metadata Specification (DDMS or DoD Discovery Metadata Specification) is a Net-Centric Enterprise Services (NCES) metadata initiative. DDMS defines discovery metadata elements for resources posted to community and organizational shared spaces.
Defense Distinguished Service Medal The Defense Distinguished Service Medal is a United States military award which is presented for exceptionally distinguished performance of duty contributing to national security or defense of the United States. The decoration is awarded only at the highest levels of the military while assigned to a joint activity.
Defense Establishment Comptroller Unit Defense Establishment Comptroller Unit (Hebrew: יחידת מבקר מערכת הביטחון) is an Israel Defense Forces unit which supervises and overseas the fitness, preparedness, and legality of the Israeli Security Forces' activities, in all its parts. It reports to the Minister of Defense, Director-general of the Ministry of Defense, and the Chief of Staff on these issues.
Defense Housing Society Karachi Defense Housing Society Karachi is located in Karachi, Sindh, Pakistan. Defense Housing Society Karachi is developed by Defence Housing Authority, Karachi of Pakistan Army for its current and retired personnel.
Defense Human Resources Activity The Defense Human Resources Activity (DHRA) is a United States Department of Defense (DoD) Field Activity chartered to support the Under Secretary of Defense for Personnel and Readiness (USD(P&R)). The scope of DHRA's mission is very broad, giving the USD flexibility to explore and field new technologies and programs that benefit warfighters, their family members, as well as DoD civilians.
Defense in Depth (computing) Defense in Depth is an Information Assurance (IA) strategy where multiple layers of defense are placed through out an Information Technology (IT) system and addresses personnel, technology and operations for the duration of the system's lifecycle.
Defense independent pitching statistics In baseball, Defense Independent Pitching Statistics (DIPS) measure a pitcher's effectiveness based only on plays that do not involve fielders: home runs allowed, strikeouts, hit batters and walks. Those plays are under only the pitcher's control in the sense that fielders have no effect on their outcome.
Defense industry The defense industry, also called the military industry, is comprised of government and commercial industry involved in research, development, production, and service of military equipment and facilities. It includes:
Defense industry of Japan The Japanese defense industry is the major supplier of the nations own Self-Defense Forces. Production costs are high, due to several factors: the successful Japanese economy of the postwar period allowed for generous defense spending; few to none of the products are exported, keeping production numbers low; research and development is done independently where possible, securing national self-sustainability; public investment in Japan tends to be uneconomic, aimed largely at gaining local voter support.
Defense Industries Organization The Defense Industries Organization (DIO), (Iranian name: Sasadjah (Sazemane Sanaye Defa)), is a conglomerate of state run Iranian companies whose function is to provide Iran with the necessary military manufacturing capacity and technical abilities. In recent years the DIO has attempted to become export orientated allowing Iran to become an exporter of weapons.
Defense Information Systems Agency The Defense Information Systems Agency (DISA, formerly known as the Defense Communications Agency) is a combat support agency of the United States Department of Defense (DoD) responsible for planning, developing, fielding, operating, and supporting command, control, communications, and information systems that serve the needs of the President, the Secretary of Defense, the Joint Chiefs of Staff, the Combatant commanders, and other Department of Defense components under all conditions of peace and war.
Defense Intelligence Agency The Defense Intelligence Agency, or DIA, is a major producer and manager of military intelligence for the United States Department of Defense. The DIA, designated in 1986 as a Defense Department combat support and intelligence agency, was established in 1961.
Defense Language Aptitude Battery The Defense Language Aptitude Battery (DLAB) is a test used by the United States Department of Defense to test an individual's potential for learning a foreign language. It is used to determine who may pursue training as a military linguist.
Defense Language Institute The Defense Language Institute (DLI) is a United States Department of Defense (DoD) educational and research institution, which provides linguistic and cultural instruction to the Department of Defense, other Federal Agencies and numerous and varied other customers. The Defense Language Institute is responsible for the Defense Language Program, and the bulk of the Defense Language Institute's activities involve educating DOD members in assigned languages.
Defense Language Office The Defense Language Office is an office within the United States Department of Defense, set to begin operations in May, 2005. Its creation was announced in the Defense Language Transformation Roadmap issued by the Department of Defense on February 14, 2005.
Defense Language Proficiency Tests The Defense Language Proficiency Test (or DLPT) is a battery of foreign language tests produced by the Defense Language Institute and used by the United States Department of Defense(DoD). They are intended to assess the general language proficiency of native English speakers in a specific foreign language, in the skills of reading and listening.
Defense Logistics Agency The Defense Logistics Agency (DLA) is the largest agency in the United States Department of Defense, with about 22,000 civilian and military personnel throughout the world. The agency provides supplies to the military services and supports their acquisition of weapons and other materiel.
Defense Manpower Data Center The Defense Manpower Data Center (DMDC) serves under the Office of the Secretary of Defense to collate personnel, manpower, training, financial, and other data for the Department of Defense. This data catalogues the history of personnel in the military and their family for purposes of healthcare, retirement funding and other administrative needs.
Defense Meritorious Service Medal The Defense Meritorious Service Medal (DMSM) is the third-highest award bestowed upon members of the United States military by the United States Department of Defense. The medal is awarded in the name of the Secretary of Defense to members of the Armed Forces who, while serving in a joint activity, distinguish themselves by non-combat outstanding achievement or meritorious service, but not of a degree to warrant award of the Defense Superior Service Medal.
Defense Message System The Defense Message System or Defense Messaging System (DMS) is a deployment of secure electronic mail and directory services in the United States Department of Defense. DMS is usually operated in conjunction with DMDS (Defense Message Dissemination System), a profiling system that takes a message and forwards it, based on message criteria, to parties that are required to take action on a message.
Defense Modeling and Simulation Office The Defense Modeling and Simulation Office is "the catalyst organization for Department of Defense modeling and simulation and ensures that modeling and simulation technology development is consistent with other related initiatives."
Defense News Media Group The Defense News Media Group is the world’s leading publisher of business-to-business defense trade periodicals including Defense News, Armed Forces Journal, C4ISR – The Journal of Net-Centric Warfare, and Training & Simulation Journal. Defense News Media Group produces a series of high-profile conferences serving the global defense community each year.
Defense Nuclear Weapons School The Defense Nuclear Weapons School (DNWS) is housed on Kirtland Air Force Base in Albuquerque, New Mexico, and is administered by the Combat Support Directorate of the Defense Threat Reduction Agency. The school teaches courses on Consequence Assessment, Hazard Prediction, Ordnance Disposal, and other WMD-related coursework.
Defense of Harbin After General Ma Zhanshan had been driven from Tsitsihar by the Japanese in the Jiangqiao Campaign he had retreated northeastward with his beaten and depleted forces and had set up his capital at Hailun. There he attempted to continue to govern Heilongjiang province.
Defense of infancy The defense of infancy is a form of defense known as an excuse so that defendants falling within the definition of an "infant" are excluded from criminal liability for their actions, if at the relevant time, they had not reached an age of criminal responsibility. After reaching the initial age, there may be levels of responsibility dictated by age and the type of offense allegedly committed.
Defense of property The defense of property is a possible justification used by defendants who argue that they should not be held liable for the loss and injury they have caused because they were acting to protect their property. Courts have generally ruled that the use of force may be acceptable, but that "deadly force" is generally not acceptable in defending property, although it may be acceptable in self-defense or, in some countries, the defense of one's home.
Defense Policy Board Advisory Committee The Defense Policy Board Advisory Committee (DPBAC or DPB) is a federal advisory committee to the United States Department of Defense. Their charter is available on line through the Director of the Office of Administration and Management of the Department of Defense.
Defense Prisoner of War/Missing Personnel Office The Defense Prisoner of War/Missing Personnel Office (DPMO), as part of the United States Department of Defense, reports to the Undersecretary of Defense for Policy through the Assistant Secretary of Defense (International Security Affairs). DPMO provides centralized management of prisoner of war/missing personnel (POW/MP) affairs within the Department of Defense.
Defense Production Act The Defense Production Act was a United States law passed in 1950, just three months after the start of the Korean War. It was part of a broad Civil defense and war mobilization effort in the context of the Cold War with the Soviet Union.
Defense Readiness Reporting System Defense Readiness Reporting System (DRRS) is the Department Of Defense's single readiness reporting system and critical to DoD's transformation success. DRRS dramatically improves the assessment, visibility, and force management of our forces and organizations.
Defense Reorganization Act of 1958 The Department of Defense Reorganization Act of 1958 is a United States federal law which was created to provide for more effective administration for the Department of Defense (DoD). Its goal was to streamline channels of authority in DoD, and still maintain the authority of the Military Departments.
Defense Security Cooperation Agency The Defense Security Cooperation Agency (DSCA), as part of the United States Department of Defense, provides financial and technical assistance, transfer of defense matériel, training and services to allies, and promotes military-to-military contacts.
Defense Security Service The Defense Security Service (DSS), formerly known as the Defense Investigative Service (DIS) is an agency of the United States Department of Defense (DoD). DSS makes its contribution to the National Security Community by conducting personnel security investigations and providing industrial security products and services, as well as offering comprehensive security education training to DoD and other government entities.
Defense Superior Service Medal The Defense Superior Service Medal of the United States is a senior decoration of the Department of Defense. It is awarded to members of the United States military who perform "superior meritorious service in a position of significant responsibility.
Defense Switched Network The Defense Switched Network (DSN) is a primary information transfer network for the Defense Information Systems Network (DISN). The DSN provides the worldwide non-secure voice, secure voice, data, facsimile, and video teleconferencing services for DOD Command and Control (C2) elements, their supporting activities engaged in logistics, personnel, engineering, and intelligence, as well as other Federal agencies.
Defense Threat Reduction Agency The Defense Threat Reduction Agency (or DTRA) is combat support agency of the United States Department of Defense whose primary function is to analyze potential threats to the United States of America, both homeland and abroad, and provide contingency plans for all such scenarios. Founded in 1998, the agency headquarters is located in Fort Belvoir, Virginia.
Defense Visual Information Center The Defense Visual Information Center (DVIC) is a division of the American Forces Information Service situated in March Air Reserve Base in Moreno Valley, California. It was established in 1994 after a consolidation of the Air Force Aerospace Audiovisual Service (AAVS) and the Navy's Still Records Media Center at Anacostia (SMRC).
Defensible space Defensible space is a concept first proposed by the architect Oscar Newman and developed further by Alice Coleman. It is the idea that crime and delinquency can be controlled and mitigated through environmental design.
Defensive Aids System Defensive Aids System (DAS) is a military aircraft system which defends an aeroplane from attack by surface-to-air missiles, air-to-air missiles and anti-aircraft artillery. DAS typically comprises of chaff, flares, and electronic countermeasures combined with radar warning receivers to detect threats.
Defensive computing Defensive Computing is a form of training for computer users to help reduce the risk of computing problems by avoiding dangerous computing practices. Its aim is to reduce the risk of problems by anticipating dangerous situations, despite adverse conditions or the mistakes of others.
Defensive coordinator A defensive coordinator typically refers to a coach on a football team in the National Football League or college football who is in charge of the defense. This position aids the head coach a great deal in many ways by delegating play calling to other coaches and allowing the head coach to focus on overall play and more important issues during games and practice sessions.
Defensive democracy Defensive Democracy is a term popularized by Israel Supreme Court chief justice Aharon Barak to explain a situation in which a democratic society has to limit some rights and freedoms in order to protect the institutions of the democracy.
Defensive design Defensive design is the practice of planning for contingencies in the design stage of a project or undertaking. Essentially, it is the practise of anticipating all possible ways that an end-user could misuse a device, and designing the device so as to make such misuse impossible, or to minimise the negative consequences.
Defensive driving Advanced driving or defensive driving is a form of training for motor vehicle drivers that goes beyond mastery of the rules of the road and the basic mechanics of driving. Its aim is to reduce the risk of driving by anticipating dangerous situations, despite adverse conditions or the mistakes of others.
Defensive marketing warfare strategies In marketing and strategic management, marketing warfare strategies are a type of marketing strategy that uses military metaphor to craft a businesses strategy. See marketing warfare strategies for background and an overview.
Defensive programming Defensive programming is a form of defensive design intended to ensure the continuing function of a piece of software in spite of unforeseeable usage of said software. The idea can be viewed as reducing or eliminating the prospect of Murphy's Law having effect.
Defensive publication A defensive publication, or defensive disclosure, is an intellectual property strategy used to prevent another party from obtaining a patent on a product, apparatus or method for instance. The strategy consists in disclosing an enabling description and/or drawing of the product, apparatus or method so that it enters the public domain and becomes prior art.
Defensive rating "Defensive Rating" is a statistic used in basketball to measure an individual player's efficiency at preventing the other team from scoring points. It was created by author and statistician Dean Oliver.
Defensive substitution A defensive substitution in the game of baseball occurs when a currently non-playing player is placed into the field in place of a starting player, typically due either to injury or the appearance of a pinch hitter. In the American League, a pinch hitter is usually substituted for the position player in whose place he batted (although another common substitution is pinch-hitting a utility infielder for a second baseman and subsequently switching him for the shortstop in the field while moving the shortstop over to the now-vacant second base position).
Defensive Specialist Defensive Specialist (DS) is a player in Arena football whose role is solely on defense. This is opposed to most of the players on the field for an Arena Football team, which have to play both offense and defense, until they are subbed for.
Defensive vomiting Defensive vomiting is a symptom of anorexia nervosa and bulimia nervosa in which a person who has drastically over-eaten (generally in reaction to previous extreme dieting) vomits as a reaction to an excess of food which the body is not prepared to handle.
Defensor pacis The tract Defensor pacis (The Defender of Peace) laid the foundations of modern doctrines of sovereignty. It was written by Marsilius of Padua ("Marsiligio"), an Italian medieval scholar, in collaboration with the philosopher John of Jandun .
Deferasirox Deferasirox (marketed as Exjade®) is an oral iron chelator. Its main use is to reduce chronic iron overload in patients who are receiving long term blood transfusions for conditions such as beta-thalassemia and other chronic anemias.
Deference Deference denotes the extent to which a court respects the authority or validity of a government act or decision during the process of judicial review. If the court exhibits less deference, this may contribute to a finding that the government acted ultra vires, or beyond its power.
Deferent and epicycle In the Ptolemaic system of astronomy, the epicycle (literally: on the circle in Greek) was a geometric model to explain the variations in speed and direction of the apparent motion of the Moon, Sun, and planets. It was designed by Apollonius of Perga at the end of the 3rd century BC.
Deferoxamine Deferoxamine, otherwise known as desferrioxamine or desferal, is a chelating agent used to remove excess iron from the body. It acts by binding free iron in the bloodstream and enhancing its elimination in the urine.
Deferred compensation Deferred compensation is an arrangement in which a portion of an employee's income is paid out at a date after which that income is actually earned. Examples of deferred compensation include pensions, retirement plans, and stock options.
Deferred maintenance Deferred maintenance is a practice of allowing machinery or infrastructure to deteriorate by postponing prudent but non-essential repairs to save cost, labor and/or material. The failure to perform needed repair, maintenance, and renewal by normal maintenance management creates deferred maintenance.
Deferred reference In natural language, a deferred reference is the metonymic use of an expression to refer to an entity related to the conventional meaning of that expression, but not denoted by it. Several types of deferred reference have been studied in the literature.
Deferred tax Deferred tax is an accounting term, meaning future tax liability or asset, resulting from temporary differences between book (accounting) value of assets and liabilities, and their tax value. This arises due to differences between accounting for shareholders and tax accounting.
Defiance College Defiance College is an independent co-educational 4-year liberal-arts college located on a 150 acre campus in a beautiful residential area of small town Defiance, Ohio, United States. The campus includes eighteen buildings and access to the 200 acre Thoreau Wildlife Sanctuary.
Defiant Theatre Defiant Theatre was a Chicago-based theatre company founded in 1993 by a group of students from the University of Illinois at Urbana-Champaign. The eclectic troupe specialized in productions that emphasized inventive stagecraft, perverse and controversial topics, and skillful stage combat.
Defibrator The defibrator is a thermo mechanical pulping refiner in which the pulp material, such as wood chips, is ground in an environment of steam between a rotating grinding disc (rotor) and a stationary disc (stator) each with radial grooves that provides the grinding surface. Wood chips are fed into the centre and are broken down as the centrifugal force pushes them towards the circumference of the discs where the grooves are finer to produce wood fibre.
Defibrillation Defibrillation is the definitive treatment for ventricular fibrillation (VF) and pulseless ventricular tachycardia (VT), the two most common causes of sudden cardiac death. Defibrillation works by delivering a therapeutic dose of electrical current to the heart, thereby depolarizing a critical mass of the heart muscle, which terminates the life threatening arrhythmia, and allows a coordinated heart rhythm to return.
Deficit hawk Deficit hawk is an American political slang term for those who place great emphasis on keeping the federal budget under control, and deficits low. John McCain of Arizona and George Voinovich of Ohio are now perhaps the best-known deficit hawks in the United States Senate, as were Sens.
Deficit spending Deficit spending is the amount by which a government, private company, or individual's spending exceeds income over a particular period of time, also called simply "deficit," or "budget deficit," the opposite of budget surplus.
Definable real number A real number a is first-order definable in the language of set theory, without parameters, if there is a formula φ in the language of set theory, with one free variable, such that a is the unique real number such that φ(a) holds (in the von Neumann universe V).
Definable set In mathematical logic, a definable set is an n-ary relation on the domain of a structure whose elements are precisely those elements satisfying some formula in the structure. A set can be defined with or without parameters, which are elements of the domain that can be referenced in the formula defining a set.
Define Insanity Define Insanity is an American progressive rock project pursued by avant-garde composer Brett Weir and several colleagues, although most of the music is written and performed by Weir. In their short career, Define Insanity has skyrocketed to the height of the San Pedro scene with a record-breaking fan base of 11 people.
Defined and undefined In mathematics, defined and undefined are used to explain whether or not expressions have meaningful, sensible output. These are also known as "well-behaved" and "ill-behaved", respectively.
Defined Daily Doses Defined daily doses (DDDs) are a WHO statistical measure of drug consumption. DDDs are used to standardise the comparative usage of various drugs between themselves or between different healthcare environments.
Defining Issues Test The Defining Issues Test or the DIT is a component model of moral development devised by James Rest in 1979. The University of Minnesota formally established the Center for the Study of Ethical Development as a vehicle for research around this test in 1982.
Defining the diseases The purposes of defining the diseases are to understand exactly what those are so that those are prevented or reversed. The basis of Disease Informatics is to operate on the fact that “most outcomes — whether disease or death — are caused by a chain or web consisting of many component causes”.
Defining vocabulary A defining vocabulary is a published, stable, and culturally accepted core glossary specifically used by dictionary publishers to standardize their use of simple words to explain complex words, and culture-specific idioms or metaphors. It can also be published as a defining dictionary, but the most common use of such dictionaries is to assist in creating new dictionaries.
Definite article reduction Definite Article Reduction (DAR) is the term used in recent linguistic work to refer to the use of vowel-less forms of the definite article in northern dialects of English English, for example in the Yorkshire dialect and accent, often represented t’ or th’.
Definite Article Definite Article is the title of British comedian Eddie Izzard's 1996 performance released on video and CD. The video/DVD and CD performances were both recorded on different nights at the Shaftesbury Theatre in London, England.
Definite description A definite description is a denoting phrase in the form of "the X" where X is a noun-phrase or a singular common noun that. The definite description is proper if X applies to a unique individual or object.
Definite pitch In music and hearing, a sound or note of definite pitch is one of which it is possible or relatively easy to discern the pitch or frequency of the fundamental. Sounds with definite pitch have harmonic frequency spectra or close to harmonic spectra.
Definitely Maybe (novel) Definitely Maybe (Russian: За миллиард лет до конца света, Za milliard let do konza sveta, literal translation: One billion years before the end of the world) is a sci fi novel written in 1976 by Arkady and Boris Strugatsky. Noel Gallagher saw the promo ad in a pub and decided to name his band's, called Oasis, first album after the novel.
Definiteness In grammatical theory, definiteness is a feature of noun phrases, distinguishing between entities which are specific and identifiable in a given context (definite noun phrases) and entities which are not (indefinite noun phrases).
Definition of life controversy Life is notoriously difficult to define. Many organisms such as Animals, Plants, Bacteria, Fungi and Protists have been classified as alive, while other entities which have seemed to fit the criteria do not under closer examination.
Definition of man Definition of Man, sometimes now referred to as Definition of Human, originated from a summary essay of Kenneth Burke (1897-1993) which he included in his 1966 work, Language as Symbolic Action. Burke’s work in communication has spanned many fields and focuses primarily on rhetoric.
Definition of philosophy The definition of philosophy is famously a difficult matter, and indeed many definitions of philosophy begin by stating that it is famously difficult. Nonetheless, a review of standard reference works suggests that there is a broad agreement among the philosophers who write these reference works, as to what the definition actually is.
Definition of planet The definition of "planet" has been the subject of intense debate in recent years. Although the word itself dates back millennia, there was no official scientific definition of a "planet" until the early 21st century.
Definition of Sound Definition Of Sound is London, England-based dance music duo consisting of Kevin Clark, Don Weekes working with musicians Rex Brough (aka The Red King) and latterly, Mike Spencer. Their second and fourth singles, "Wear your love like heaven" and "Moira Jane's Café" were in the UK Top 40.
Definitional concerns in anarchist theory The political theories collectively known as anarchism encompass not only a range of individual schools, but also a considerable divergence in the use of some key terms. Some terms, such as socialism, have been subject to multiple definitions and ideological struggle throughout the period of the development of anarchism.
Definitions of capitalism Capitalism is an economic system in which the capital is owned either by individuals or corporations. In such a system, the amount and type of development is typically limited by activities which support the accumulation and reinvestment of profits.
Definitions of fascism What constitutes fascism and fascist governments is a highly disputed subject that has proved complicated and contentious. Historians, political scientists, and other scholars have engaged in long and furious debates concerning the exact nature of fascism and its core tenets.
Definitions of Japanese war crimes There are differences from one country to another regarding the definition of Japanese war crimes. War crimes may be broadly defined as [behavior by a government or military personnel against either enemy civilians or enemy combatants.
Definitions of science fiction Science fiction includes such a wide range of themes and subgenres that it is notoriously difficult to define.For example, Patrick Parrinder comments that "[d]efinitions of science fiction are not so much a series of logical approximations to an elusive ideal, as a small, parasitic sub-genre in themselves.
Definitive stamp A definitive postage stamp is a regular issue stamp that is part of a definitive issue or definitive series consisting of a range of denominations sufficient to cover all postal rates usefully. (An "issue" generally means a set that is put on sale all at the same time, while a "series" is spread out over several years, but the terms are not precise.
Deflagration Deflagration (Lat: de + flagrare, "to burn") is a process of subsonic combustion that usually propagates through thermal conductivity (hot burning material heats the next layer of cold material and ignites it). Deflagration is different from detonation which is supersonic and propagates through shock compression.
Deflated Chime, Foals Slightly Flower Sibylline Responses Deflated Chime, Foals Slightly Flower Sibylline Responses is a limited edition tour only EP by Elephant Six indie rock band Of Montreal. The EP contains two previously released songs, 'Disconnect the Dots', from their Satanic Panic in the Attic album, and 'Wraith Pinned to the Mist (And Other Games)', from The Sunlandic Twins, along with two new songs, 'Psychotic Feeling' and 'Noir Blues to Tinnitus', which was later released as a b-side to the 'Voltaic Crusher/Undrum to Muted Da' single on Suicide Squeeze.
Deflationary spiral Deflationary Spiral is a term from economics which describes the situation where decreases in price lead to lower production, which in turn leads to lower wages and demand, which leads to decreases in price. Since reductions in general price level are called deflation, a deflationary spiral is when reductions in price lead to a vicious circle, where a problem exacerbates its own cause.
Deflationary theory of truth The deflationary theory of truth is really a family of theories which all have in common the claim that assertions that predicate truth of a statement do not attribute a property called truth to such a statement.
Deflection routing Deflection routing, also known as hot potato routing, is a routing strategy for networks based on packet switching which can reduce the need of buffering packets. Every packet has preferred outputs along which it wants to leave the router, and when possible a packet is sent along one of these outputs.
Deflector shield A deflector shield is a fictional technology commonly found in science fiction. Typically, deflector shields (often referred to as simply "shields") are some form of force field designed to protect against weapons by deflecting or absorbing their impact.
Deflexion Deflexion is a Chess-like abstract strategy board game using lasers, which has recently been renamed to Khet: The Laser Game. Players alternate turns moving Egyptian-themed pieces around the playing field after which they fire their low powered laser diode with the goal of illuminating their opponent's pieces to eliminate them from the game.

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