Encyclopedia

Reflections (Supremes song) "Reflections" is a 1967 hit song recorded by The Supremes for the Motown label. It was the first Supremes record released under the name Diana Ross & the Supremes, and one of the last of their hit singles to be written and produced by Motown's main production team Holland-Dozier-Holland.
Reflections Cabaret Reflections Cabaret & Cigar Bar is one of the most popular dance bars in Halifax, Nova Scotia, Canada. For eight years running (to 2004), Reflections was voted the best place to dance by readers of The Coast.
Reflections of Evil Reflections of Evil is a 2002 cult film by independent filmmaker Damon Packard that depicts the descent into madness and death of an obese, homeless watch salesman played by Packard. Using unconventional editing, Packard splices scenes together with nostalgic commercials and B-movies of the 1970s while also blending together several tangential narratives.
Reflections of Humanity Reflections of Humanity is one of Ali Shariati's important lecture, which concerns the role of culture in human life. It defines culture and barbarism and how it is discussed in the light of the "Islamic Doctrine".
Reflections of China Reflections of China is a Circle-Vision 360° movie which is located in the China pavilion of the World Showcase in Epcot at Walt Disney World Resort. The show is narrated by an actor playing Li Bai, an ancient Chinese poet, who takes the viewer on a tour of the Chinese countryside and historical structures and buildings.
Reflections on the Revolution in France Reflections on the Revolution in France is a work of political commentary written by Anglo-Irish statesman and philosopher Edmund Burke, first published on 1 November, 1790. The Reflections constitute one of the best-known intellectual attacks on the French Revolution, which was then in its early stages.
Reflections on the social future of mankind reflections on the social future of mankind is an English-language book by Sholom Gherman, published by Novosti Press Agency Publishing House circa 1967, as part of a book series called Socialism: Theory and Practice.
Reflections: Carly Simon's Greatest Hits Reflections: Carly Simon's Greatest Hits is singer-songwriter Carly Simon's 28th album, and fourth greatest-hits album, released in 2004. Later that same year an International version of the album was released, mainly for the UK market.
Reflective array antenna In telecommunication, a reflective array antenna is an antenna, such as a billboard antenna, in which the driven elements are situated at a predetermined distance from a surface designed to reflect the signal in a desired direction.
Reflective equilibrium Reflective equilibrium is a state of balance or coherence among a set of beliefs arrived at by a process of deliberative mutual adjustment among general principles and particular judgments. Although he did not use the term, philosopher Nelson Goodman introduced the method of reflective equilibrium as an approach to justifying the principles of inductive logic.
Reflective practice Reflective practice is a term often used in education pedagogy which was a concept that was introduced by Donald Schon in 1987. It is a continuous process from a personal perspective, by considering critical incidents within your life's experiences.
Reflective Records Reflective Records is an independent San Francisco-based record label for electronic music, operated by Jonah Sharp and his wife. The first release was the Flurescence 12" EP by Spacetime Continuum, which was released in August 1993 with an initial pressing of 500 copies.
Reflectivism Reflectivism is a range of approaches to social science, and notably political science which oppose realism and more generally, positivism. These approaches are often given more particular (and familiar) titles, including feminism, postmodernism, and critical theory.
Reflectivity In optics, reflectivity is the reflectance (the ratio of reflected power to incident power, generally expressed in decibels or percentage) at the surface of a material so thick that the reflectance does not change with increasing thickness; i.e.
Reflecto Reflecto is a fictional superhero from DC Comics who first appeared as a statue of a dead Legion of Super-Heroes member in Adventure Comics #354 (March 1967). He was "Killed in a duel with the Molecule Master.
Reflector (cipher machine) A reflector, in cryptology, is a component of some rotor cipher machines, such as the Enigma machine, that sends electrical impulses that have reached it from the machine's rotors, back in reverse order through those rotors.
Reflector (Killing Heidi album) Reflector is the debut album of Australian band Killing Heidi, released in 2000. The album was an enormous success, propelling the band to prominence and eventually spending seven weeks at #1 on the ARIA charts.
Reflex (linguistics) As cognate is to cousins or sisters, so reflex is to daughters or granddaughters. If a sound or form A in a daughter language is described as a reflex of sound or form B in a parent language, then A is the sound or form that B became.
Reflex anal dilatation Reflex anal dilatation (RAD) is a controversial and now largely discredited technique which at one time was widely used as an indicator of child sexual abuse. Its use led to the Cleveland child abuse scandal where misdiagnosis of widespread abuse was made, with highly unfortunate results.
Reflex bow A reflex bow is a bow often made entirely of wood that has curved or curled arms that turn away from the archer. When strung and subsequently fired the curves assist in creating a greater force with which to fire an arrow at a faster speed without adding significantly to the drawing weight, size or the physical mass of the bow.
Reflex hammer A reflex hammer is a medical instrument used by physicians to test deep tendon reflexes. Testing for reflexes is an important part of the neurological physical examination in order to detect abnormalities in the central or peripheral nervous system.
Reflex port Reflex port is the distinctive feature of a very popular variety of loudspeaker enclosures (Bass reflex) which enhances the reproduction of the lowest frequencies generated by the woofer. The port generally consists of one or more tubes mounted in the front (baffle) or the rear side of the loudspeaker.
Reflexive modernization Reflexive modernization is a process of modernization that is characteristic of risk society whereby progress is achieved through reorganization and reform. Science and technology as it is used for the purpose of reflexive modernization is less concerned with expanding the resource base, but rather with re-evaluating that which is already being used by society.
Reflexive monism Monism is the view that the universe, at the deepest level of analysis, is one thing or composed of one fundamental kind of stuff. This is usually contrasted with Substance Dualism, the view found for example in the writings of Plato and Descartes that, fundamentally, the universe is composed of two kinds of stuff, physical stuff and the stuff of soul, mind or consciousness.
Reflexive operator algebra In functional analysis, a reflexive operator algebra A is an operator algebra that has enough invariant subspaces to characterize it. Formally, A is reflexive if it is equal to the algebra of bounded operators which leave invariant each subspace left invariant by every operator in A.
Reflexive pronoun A reflexive pronoun is a pronoun that is preceded by the noun or pronoun to which it refers (its antecedent) within the same clause. In generative grammar, a reflexive pronoun is an anaphor that must be bound by its antecedent (see binding).
Reflexive Programming In computer science, reflection is the process by which a computer program of the appropriate type can be modified in the process of being executed, in a manner that depends on abstract features of its code and its runtime behavior. Figuratively speaking, it is then said that the program has the ability to "observe" and possibly to modify its own structure and behavior.
Reflexive verb In grammar, a reflexive verb is a verb whose semantic agent and patient (typically represented syntactically by the subject and the direct object) are the same. For example, the English verb to perjure is reflexive, since one can only perjure oneself.
Reflexology Reflexology, or zone therapy, is the practice of stimulating points on the feet, hands and ears, in order to encourage a beneficial effect on some other parts of the body, or will improve general health. Reflexology is most commonly performed on the feet, moving on to the hands and/or ears where physical restraints, such as veruccas or fractures, apply.
Reflow soldering Reflow soldering is the most common means to attach a surface mounted component to a circuit board, and typically consists of applying solder paste, positioning the devices, and reflowing the solder in a conveyorized oven. The goal of the reflow process is to melt the powder particles in the solder paste, with the surfaces being joined together, and solidify the solder to create a strong metallurgical bond.
Reflux suppressant A reflux suppressant is any one of a number of drugs used to combat oesophageal reflux. Commonly, following ingestion a 'raft' of alginic acid is created, floating on the stomach contents by carbon dioxide released by the drug.
Reforestation Reforestation is the process of restoring and recreating areas of woodlands or forest that once existed but were deforested or otherwise removed or destroyed at some point in the past. The resulting forest can provide both ecosystem and resource benefits and has the potential to become a major carbon sink.
Reform (Anglican) Reform is an evangelical organisation within Anglicanism, active in the Church of England and the Church of Ireland. Reform (England) describes itself as a "network of churches and individuals within the Church of England, committed to the reform of ourselves, our congregation and our world by the gospel".
Reform (think tank) Reform is a London, United Kingdom-based, free-market think tank whose mission is to set out a better way to deliver public services and economic prosperity via private sector involvement and market de-regulation. Reform describes itself as independent and non-partisan.
Reform 2000 Party The Reform 2000 Party is a minor political party in the United Kingdom. It was founded in 2000 by Erol Basarik, a restaurant owner who had previously stood in the European Parliament election, 1999 as an "Anti Value Added Tax" candidate.
Reform Act In the United Kingdom, Reform Act is a generic term used for legislation concerning electoral matters. It is most commonly used for laws passed to enfranchise new groups of voters and to redistribute seats in the British House of Commons.
Reform Act 1832 The Representation of the People Act 1832, commonly known as the Reform Act 1832, was an Act of Parliament that introduced wide-ranging changes to the electoral system of the Great Britain. According to its preamble, the act was designed to "take effectual Measures for correcting diverse Abuses that have long prevailed in the Choice of Members to serve in the Commons House of Parliament.
Reform Club of Hong Kong The Reform Club of Hong Kong (香港革新會) was a Hong Kong political group founded in 1949 by Brook Bernacchi. For some time the Reform Club and the Civic Association were the closest to opposition parties in Hong Kong as its members contested Urban Council elections.
Reform Democrat Reform Democrats in the United States are members of the Democratic Party who are opposed to the Democratic political machines of their respective cities, counties, or states or to analogous machine politics at a national level. The term is usually used in contrast with machine-affiliated Regular Democrats.
Reform Judaism Reform Judaism can refer to (1) the largest stream of Judaism in America and its sibling movements in other countries, (2) a branch of Judaism in the United Kingdom, and (3) the historical predecessor of the American movement that originated in 19th-century Germany.
Reform movement A reform movement is a kind of social movement that aims to make gradual change, or change in certain aspects of society rather than rapid or fundamental changes. Reformists' ideas are often grounded in liberalism, although they may be rooted in utopian, socialist or religious concepts.
Reform Mormonism Reform Mormonism is a branch of Mormonism that was founded in 2002 by former members of The Church of Jesus Christ of Latter-day Saints (LDS). (Commonly called "The Mormon Church," the Utah-based LDS Church is the largest denomination which emerged from Latter Day Saint movement begun by Joseph Smith in the late 1820's.
Reform Movement (Ireland) The Reform Movement of Ireland is a political and social organisation which has the ultimate goal of the re-establishment of Ireland as a part of the Commonwealth, with the promotion of various cultural backgrounds throughout Ireland, North and South.
Reform of the House of Lords For almost a century, governments in the United Kingdom (UK) have attempted to find a way to undertake a comprehensive reform of the House of Lords, which is the upper house of the Parliament of the United Kingdom. When the Labour Party came to power in the 1997 general election, it had in its manifesto the promise to reform the House of Lords:
Reform of the United Nations Security Council Reform of the United Nations Security Council encompasses a variety of proposals, including procedural reforms, such as eliminating the veto held by the five permanent members, and expansion of the Council. In practice, "Security Council reform" usually refers to schemes to restructure or expand its membership.
Reform Party candidates, 1997 Canadian federal election The Reform Party of Canada fielded several candidates in the 1997 federal election, and won 60 seats out of 301 to form the Official Opposition. Many of the party's candidates have their own biography pages; information about others may be found here.
Reform Party of British Columbia The Reform Party of British Columbia (Reform BC) is a populist right wing political party in British Columbia, Canada. Although its name was chosen to reflect the Reform Party of Canada, and there was overlap between the two parties' policy and supporters, it never had any formal association with the federal party.
Reform Party of Ontario The Reform Party of Ontario was, until September 2003, a pseudo party that ran one candidate each election merely to keep the party’s name in the possession of the Reform Party of Canada. There is also a small group of conservative populists who lay claim to the moniker, but have been forced to run under the Independent Reform moniker.
Reform Party of Syria The Reform Party of Syria, or RPS, is a political party committed to democracy and reform in Syria. It is based in the United States because the present Syrian government does not allow opposition political parties to form without permission.
Reform Party of the Hawaiian Kingdom The Reform Party of the Hawaiian Kingdom was organized following the enactment of the 1887 Constitution of the Kingdom of Hawaii. In the election following the promulgation of the 1887 constitution, on September 12, 1887, the party came to power in the legislature.
Reform Party of the United States of America The Reform Party of the United States of America (abbreviated Reform Party USA or RPUSA) is a political party in the United States, founded by Ross Perot in 1995 who said Americans were disillusioned with the state of politics – as being corrupt and unable to deal with vital issues – and desired a viable alternative to the Republican and Democratic Parties.
Reform Progressive Party The Reform Progressive Party (PPR) was a Brazilian party, formed by the fusion of the Democratic Social Party (PDS) and the Christian Democratic Party (PDC) in 1993. Two years later the party, along with the Progressive Party, formed a new party called Brazilian Progressive Party.
Reform War The War of the Reform was a Mexican civil war fought from December 1857 to January 1861, launched by liberal and moderate revolutionists dissatisfied with the Catholic Church's stranglehold on governmental affairs. The war ended with the Liberals being victorious, and President Benito Juárez brought his administration to Mexico City.
Reform Zionism Reform Zionism, also known as Progressive Zionism is the ideology of the Zionist arm of the Reform or Progressive branch of Judaism. ARZAis the American Reform Movement's Zionist organization, which has the mission of connecting Reform Jews with Israel.
Reformasi (Malaysia) The Reformasi movement in Malaysia was initiated by Anwar Ibrahim and his supporters shortly after he was sacked as Deputy Prime Minister in 1998. It consisted of several mass demonstrations and rallies against the Barisan Nasional government, and continued until Anwar was arrested and jailed in late 1998, whereupon it slowly died down.
Reformation (disambiguation) Reformation usually means "returning to a clean start," removing accumulated corruption and impurity. It is often used in reference to institutions, sets of practices, and people; those in favor of reformation usually believe that they are correcting errors and returning to a rightful course, such as with reformed criminals.
Reformation (Indonesia) The Reformation or Reformasi in Indonesian is the name commonly used for the post 1998 era in the history of Indonesia. This is due to a more open and liberal political and social environment in Indonesia after the Revolution of 1998 forced the resignation of the authoritarian President Suharto, ending the three decades of the New Order period.
Reformation (The Wire episode) "Reformation" is the tenth episode of the third season of the HBO original series, The Wire. The episode was written by Ed Burns from a story by David Simon & Ed Burns and was directed by Christine Moore.
Reformation Alliance Party The Reformation Alliance Party (RAP) is a political party in Liberia. It participated in the 1997 elections and fielded candidates in the 11 October 2005 elections as part of the United Democratic Alliance (UDA) coalition.
Reformation Day Reformation Day is a religious holiday celebrated on October 31 in remembrance of the Reformation, particularly by Lutheran and Reformed church communities. It is a civic holiday in Slovenia (since the Reformation contributed to its cultural development profoundly, although Slovenians are mainly Roman Catholics) and in the German states of Brandenburg, Mecklenburg-Western Pomerania, Saxony, Saxony-Anhalt, and Thuringia.
Reformation in Switzerland The Protestant Reformation in Switzerland was promoted initially by Huldrych Zwingli, who gained the support of the magistrate and population of ZĂĽrich in the 1520s. It led to significant changes in civil life and state matters in ZĂĽrich and spread to several other cantons of the Old Swiss Confederacy.
Reformation Study Bible The Reformation Study Bible is a series of study Bibles published by Ligonier Ministries and now distributed by P&R Publishing. Its latest edition is the February 2005 publication in the English Standard Version.
Reformation Wall The International Monument to the Reformation (French: Monument international de la RĂ©formation, German: Internationale Reformationsdenkmal), usually known as the Reformation Wall,It is sometimes translated into other forms, including 'Wall of the Reformation' and 'Wall of the Reformers'. is a monument in Geneva, Switzerland.
Reformatory A reformatory is a juvenile prison where legal minors are sent by (juvenile or general) courts to spend a custodial sentence, separate from the bad example of and abuse by adult (often hardened) convicts, usually gender-separated (mainly boys).
Reformed Baptist The name Reformed Baptist does not refer to a distinct Christian denomination, but instead is a description of the church's theological leaning. Not all churches that are reformed in doctrine identify themselves as such.
Reformed Catholics A small body originating in New York City about 1879. Priests of the Church of Rome, who had left that communion, formed a few congregations, chiefly in New York, and began evangelistic work on a Protestant basis of belief.
Reformed epistemology Reformed epistemology is the title given to a broad body of epistemological viewpoints relating to God's existence that have been offered by a group of Protestant Christian philosophers that includes Alvin Plantinga, William Alston, and Nicholas Wolterstorff among others. Rather than a body of arguments, reformed epistemology refers more to the epistemological stance that belief in God is properly basic, and therefore no argument for His existence is needed.
Reformed Fundamentalism Reformed fundamentalism is a movement that arose in some Calvinistic Presbyterian, Baptist and Reformed churches, which also agreed with the motives and aims of Fundamentalist Christianity. Some of the better known leaders who have described themselves as both, Reformed and Fundamentalist, have been Carl McIntire, with the Bible Presbyterian Church and Ian Paisley of the Free Presbyterian Church of Ulster.
Reformed Government of the Republic of China The Reformed Government of the Republic of China (中華民國維新政府) was a Japanese puppet state that existed from 1938 to 1940. It was established in Nanjing by Liang Hongzhi and others on March 28, 1938, and administered the Japanese-occupied parts of the provinces of Jiangsu, Zhejiang and Anhui as well as the two municipalities of Nanjing and Shanghai.
Reformed churches The Reformed churches are a group of Christian Protestant denominations historically related by a similar Calvinist system of doctrine, which first arose especially in the Swiss Reformation led by Huldrych Zwingli, but soon afterward appeared in nations throughout Western Europe. Each nation in which the Reformed movement was originally established had its own church government.
Reformed Church in America The Reformed Church in America (RCA) is a mainline Reformed Protestant denomination that was formerly known as the Dutch Reformed Church. The denomination has about 300,000 members and has congregations in both the U.
Reformed Church in Hungary The Hungarian Reformed Church (Magyarországi Református Egyház in Hungarian) is a key representative of the Magyar Christianity, being numerically the second-largest denomination in Hungary, after the Roman Catholic Church, and the biggest denomination among ethnic Hungarians in Romania.
Reformed Church in the United States The Reformed Church in the United States (RCUS) is a small Christian denomination in the German Reformed theological heritage. The RCUS is descended from German settlers in 18th-century America who originally affiliated with the Dutch Reformed Church (now the Reformed Church in America) but formed their own synod by the end of the century.
Reformed Church of Dunedin Reformed Church of Dunedin is the Dunedin representation of the Reformed Churches of New Zealand and was formed in 1955. Total membership as of 2005 stands at 155, of which 80 percent form the home congregation at Dunedin, the remainder forming the congregation at Oamaru.
Reformed Church of the Tarrytowns The Reformed Church of the Tarrytowns in Tarrytown, New York serves both Tarrytown and Sleepy Hollow, New York. It was constructed in 1837 as an extension of the Old Dutch Church of Sleepy Hollow to serve the Tarrytown community.
Reformed Churches in the Netherlands The Reformed Churches in the Netherlands (Dutch: Gereformeerde Kerken in Nederland, in short Gereformeerde kerk) was the second largest Protestant church in the Netherlands until it merged into the Protestant Church in the Netherlands in 2004.
Reformed Mennonite The Reformed Mennonite Church, with under 300 members in the United States and Canada, represents the first split from the main North American Mennonite body. Reformed Mennonites see themselves as true followers of Menno Simons' teachings and of the teachings of the New Testament.
Reformed Political Party The Political Reformed Party (in Dutch: Staatkundig Gereformeerde Partij, SGP) is an orthodox Protestant Dutch political party. The SGP is the oldest political party in the Netherlands, and for its entire existence has been in opposition.
Reformed Presbyterian Church Reformed Presbyterian congregations exist all over the world in numerous countries, namely Northern Ireland, Republic of Ireland, Scotland, France, United States of America, Canada, Japan, Hungary and Australia. The Reformed Presbyterian Church could be described as a Reformed, or an Evangelical Church.
Reformed Presbyterian Church General Assembly The Reformed Presbyterian Church General Assembly is a conservative Presbyterian denomination in the United States. It was founded in 1991 by disillusioned members of the Reformed Presbyterian Church in the Americas.
Reformed Presbyterian Church in the United States The Reformed Presbyterian Church in the United States is a branch of Presbyterianism with seventy-four churches in the United States. The association was established in 1983, and subscribes to the Westminster Confession and believes in biblical inerrancy.
Reformed Presbyterian Church of North America The Reformed Presbyterian Church of North America (RPCNA), a Christian church, is a small Presbyterian denomination with churches throughout the United States and some parts of Canada. Its beliefs place it in the conservative wing of the Reformed family of Protestant churches.
Reformed Presbytery in North America The Reformed Presbytery in North America (RPNA) is a religious denomination with beliefs in Protestantism, Calvinism, Presbyterianism, and more particularly Covenanting. It traces its history in North America to 1840, but also refers to the Reformed Presbytery in Scotland for prior history.
Reformed Society of Jesus The Reformed Society of Jesus (or the Reformed Jesuits) is a religious community of the Reformed Catholic Church. The order is known for it's work in church communications, education, and work towards social justice concerns.
Reformed Theological Seminary Reformed Theological Seminary (RTS) is a non-denominational, evangelical Protestant seminary dedicated to training current and future leaders (especially its Presbyterian and Reformed branches) to be pastors, missionaries, educators, and Christian counselors. It maintains a belief in the inerrancy of the Bible and generally follows Reformed tradition, including Covenant Theology.
Reformed University Fellowship Reformed University Fellowship, or RUF, is the university campus ministry organization of the Presbyterian Church in America. RUF has experienced rapid growth the past few years, and currently has 110 chapters at different college campuses spread over 27 states Mexico and Canada.
Reformed Youth Movement Reformed Youth Movement (RYM) is a Christian non-denominational junior and senor high conference located in Florida, Colorado and Oregon, United States for students (the name refers to its origin in the Reformed tradition). Such students are typically from a Protestant Evangelical background.
Reforming Movement The Reforming Movement was a French centrist political group created in 1972 by the alliance between the Radical Party led by Jean-Jacques Servan-Schreiber and the christian-democratic Progress and Modern Democracy headed by Jean Lecanuet.
Reformist Inititiative Circles The Reformist Inititiative Circles (Italian: Circoli d'Iniziativa Riformista) is a faction within the Italian political party Forza Italia, grouping former members of the Italian Democratic Socialist Party and the Italian Socialist Party.
Reformist Movement The Mouvement RĂ©formateur (MR) is a Belgian French-speaking liberal party, favoring a united Belgium. Part of governing coalition in Federal State, in Walloon Region (until the mid-2004 elections) and in Brussels-Capital Region (until the mid-2004 elections too).
Reforms of French orthography The orthography of French was already more or less fixed, and from a phonological point of view outdated, when its lexicography developed in the late 17th century and the Académie française was mandated to establish an "official" prescriptive norm.
Reforms of Russian orthography The Old Russian language adopted the Cyrillic alphabet, approximately during the tenth century and at about the same time as the introduction of Eastern Christianity into the territories inhabited by the Eastern Slavs. An earlier rune-like and possibly syllabic script was simultaneously discarded, and so thoroughly discouraged that today there are no uncontested specimens of it extant.
Reforms under Islam (610-661) Between 610 and 661 there were a number of social reforms that occurred during the time of Muhammad's mission and also later under his four immediate successors usually referred to as the Four Rightly Guided Caliphs.
Refounding Public Administration Refounding Public Administration (1990) is a noted text in the public administration field that formulated a multi-faceted argument that government is properly an agential and active servant of the public good. It is among a very few books that have been pivotal in defining public administration as a distinct field from political science with its own theory and raison d'etre.
Refracting telescope A refracting or refractor telescope is a dioptric telescope that uses a lens as its objective to form an image. The refracting telescope design was originally used in spy glasses and astronomical telescopes but is also used in other devices such as binoculars and long or telephoto camera lenses
Refractive index The refractive index (or index of refraction) of a material is the factor by which the phase velocity of electromagnetic radiation is slowed in that material, relative to its velocity in a vacuum. It is usually given the symbol n, and defined for a material by
Refractive index contrast Refractive index contrast, in an optical fiber, is a measure of the relative difference in refractive index of the core and cladding. Refractive index contrast, Δ, is given by Δ = (n12- n22)/(2n12), where n1 is the maximum refractive index in the core and n2 is the refractive index of the homogeneous cladding.
Refractive index profile A refractive index profile is the distribution of refractive indices of materials within an optical fiber. Some optical fiber has a step-index profile, in which the core has one uniformly-distributed index and the cladding has a lower uniformly-distributed index.
Refractometer A refractometer is an optical instrument that is used to determine the refractive index of a substance or some physical property of a substance that is directly related to its refractive index. Certain types of refractometers can be used for measuring gases, liquids, and even transparent or translucent solids such as gemstones.
Refractometry Refractometry is the method of assessing the composition or purity of substances by measuring their refractive index, a fundamental physical property of a substance. A refractometer is the instrument used to measure refractive index ("RI").

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