Encyclopedia

Roll-playing Roll-Playing is a pun on the phrase 'role-playing' (as in role-playing game) for when character statistics and rolling dice (especially for combat) become more important than role-playing or telling a story. It generally is used to refer to hack-and-slash games such as Dungeons & Dragons.
Roll-to-roll processing Roll-to-roll processing, also known as 'web' processing, is the process of creating electronic devices on a roll of flexible plastic or metal foil. Large circuits made with thin-film transistors and other devices can be easily patterned onto these large substrates, which can be up to a few metres wide and 50 km long.
Roll-your-own Roll-your-own (RYO) simply means to roll your own cigarette using loose cigarette tobacco and rolling papers. Many RYO products are conveniently sold as a pouch of tobacco with enough tobacco to prepare 40 hand-rolled cigarettes with the rolling papers provided in the pouch.
Rolladen-Schneider LSD Ornith The Rolladen-Schneider LSD Ornith is the first two-seater sailplane to have been built from plastic composites. The single exemplar was designed by Wolf Lemke and Karl Pummer and first flew in May 1972, a few weeks before the SB-10.
Rollag stave church Rollag stave church (Rollag stavkirke) is a stave church at Rollag in Rollag municipality, Buskerud, Norway. It was probably built in second half of 12th century, though not much is left of the original church.
Rolland D. McCune Rolland D. McCune (born 1934) is Professor of Systematic Theology at the Detroit Baptist Theological Seminary in Allen Park, Michigan, having previously been the President of the Seminary for ten years and Dean of the Faculty for six years.
Rolland Fisher Rolland Fisher (1900-1982) was a minister and evangelist who actively promoted the temperance movement. He was Executive Secretary of the Kansas Prohibition Party in 1948-1950, was State Chairman of the party in 1962-1968, was Vice-Chairman of the Prohibition National Committee in 1963-1967, and was the Prohibition Party candidate for Vice-President of the Untted States in 1968.
Rolland H. Spaulding Rolland Harty Spaulding (March 15, 1873–March 14, 1942) was an American manufacturer and Republican politician from Rochester, New Hampshire. Born in 1873 in Townsend Harbor, Massachusetts, and educated at Phillips Academy, (class of 1893), he was a prominent businessman whose family-owned company manufactured fiberboard.
Rolland Todd Rolland Todd is a former player and coach in the National Basketball Association, and a former player in the American Basketball Association, who also coached basketball at UNLV and the University of Louisiana at Lafayette. He was the first coach of the then-expansion Portland Trail Blazers, leading the team to a 29-53 record in its inaugural season (best of the three expansion clubs who entered the NBA that year); though was let go the next season when the team failed to improve.
Rollatini Rollatini is an Italian-style dish (called rollatini di melanzane in Italian) that is usually made with thin slices of eggplant, which are dusted in flour or lightly breaded and covered with ricotta cheese and often other cheeses and seasonings, then rolled up and baked. Alternatively, veal, chicken, or fish may be used in place of the eggplant.
Rollback (data management) In database technologies, a rollback is an operation which returns the database to some previous state. Rollbacks are important for database integrity, because they mean that the database can be restored to a clean copy even after erroneous operations are performed.
Rollback (roller coaster) A rollback occurs on a launched roller coaster when the train is not launched fast enough to reach the top of the tower. It will roll backwards down the tower, and will be stopped by brakes on the launch track.
Rolle Canal Rolle Canal (also know as the Torrington canal) in North Devon, England runs 6 miles from Landcross where it joins the River Torridge to the limekilns at Rosemoor.Lost canals and Waterways of Britain Ronald Russell page 96 ISBN 0-7153-8072-9 It has one sea lock at Landcross, an inclined plane at Weare Giffard to raise it 60 feet, and a five arch aqueduct (known as the Beam aquaduct) over the river Torridge.
Rolle's theorem In calculus, Rolle's theorem states that if a function f is continuous on a closed interval left[a,bright] and differentiable on the open interval left(a,bright), and fleft(aright) = fleft(bright) then there is some number c in the open interval left(a,bright) such that
Rollei Rollei is a German manufacturer of optical goods founded in 1920 by Paul Franke and Reinhold Heidecke in Braunschweig, Lower Saxony, and maker of the Rolleiflex and Rolleicord series of cameras. Rollei's cameras use Carl Zeiss and Schneider Kreuznach optics.
Rollei SL26 The SL26 was a high-end SLR for the 126 cartridge format, produced by Rollei from 1968 to 1973. Retailing for $300, it was the most expensive 126 camera ever produced and somewhat of an oddity since the 126 format was used primarily for inexpensive snapshot cameras like the Kodak Instamatic.
Rolleicord The Rolleicord was a popular medium-format twin lens reflex camera made by Franke & Heidecke (Rollei) between 1934 and 1976. It was a simpler, less expensive version of the high-end Rolleiflex TLR, aimed at amateur photographers who wanted a high-quality camera but could not afford the expensive Rolleiflex.
Rolleiflex Rolleiflex is the name of a long-running and diverse line of high-end cameras made by the German company Franke & Heidecke. The "Rolleiflex" name is most commonly used to refer to Rollei's premier line of medium format twin lens reflex (TLR) cameras.
Rollen Stewart Rollen Stewart (born 1945), also known as Rockin' Rollen and Rainbow Man, was a fixture in American sports culture best known for wearing a rainbow-colored wig and holding up signs reading "John 3:16" at sporting events around the United States in the 1980s.
Roller Boogie Roller Boogie (1979) is a United Artists film starring Linda Blair (the former child actress from The Exorcist) and introducing Jim Bray (a former competitive artistic skater from California.) The film also stars Beverly Garland, Mark Goddard, and Kimberly Beck, and is directed by Mark L.
Roller coaster The roller coaster (sometimes known as a big dipper in the United Kingdom, or as a jet coaster in Japan) is a popular amusement ride developed for amusement parks and modern theme parks. LaMarcus Adna Thompson patented the first roller coaster on January 20 1885.
Roller Coaster (album) Roller Coaster is the 2004 sophomore album by Scott Cain, singer-songwriter and winner of Australian Popstars 2002. It was released on the ABC Kids label and is targeted at children, but is lyrically relatively adult and not dissimilar to his debut album, Controlled Folly.
Roller Coaster Murder Case The Big Shrink (Japanese: ジェットコースター殺人事件 Roller Coaster Murder Case) is the first episode of the anime Case Closed that first aired in Japan on January 8, 1996. It later aired in America on May 24, 2004
Roller dam A Roller dam is a type of hydro control device which is specially designed to mitigate erosion. They are most often used to divert water for irrigation but the largest and most outstanding examples are employed to ease river navigation.
Roller disco A roller disco is a discothèque where all the dancers wear roller skates of some kind (traditional quad or inline). The music played is modern and danceable, historically disco but in modern times including almost any form of dance music or pop music.
Roller furling Roller furlling is a method of furling or reefing wherein a sail is rolled around a stay or rotating spar. Roller furling is most commonly encountered on foresails, such as jibs, with mainsails a distant second.
Roller Game Roller Game is a variation of the sport of roller derby that is played in Japan by the Roller Game League, established in 1990. Roller Game is played on either a flat or banked track, and on either traditional (quad) roller skates or inline skates.
Roller Games Roller Games was the name of a sports entertainment spectacle created in 1961 in Los Angeles, California as a rival to the Jerry Seltzer-owned Roller Derby league, which had enjoyed a monopoly on the sport of roller derby — and its name — since its inception in 1935. National Skating Derby, Inc.
Roller hockey Roller hockey is a form of hockey played on a dry surface using skates with wheels. The term "Roller Hockey" is often used interchangeably to refer to two variant forms chiefly differentiated by the type of skate used.
Roller hockey (Quad) Roller Hockey (Quad) is highly popular and has many names worldwide that mean the same sport. Some common names for names Roller Hockey (quad) are : HĂłquei em Patins, International Style Ball hockey, Rink Hockey or Hardball Hockey.
Roller hockey at the 1992 Summer Olympics Roller hockey was one of three demonstration sports introduced in the official Olympic programme of the 1992 Summer Olympics, held in Barcelona. This sport's widespread popularity and the existence of top-level competitive teams in Catalonia (such as FC Barcelona and Reus Deportiu Hockey) prompted the Organizing Committee to suggest its inclusion in the Olympic programme.
Roller hockey at the 1992 Summer Olympics - Preliminary round The preliminary round of the 1992 Summer Olympics roller hockey competition was played between 26 and 30 July, consisting of a group stage with two groups of six teams. The teams distribution into the groups was performed as per the results at the 1991 Rink Hockey World Championship.
Roller hockey at the 1992 Summer Olympics - Semi-finals The semi-finals of the 1992 Summer Olympics roller hockey competition were staged between 1 and 5 August at the Pavelló d'Esports de Reus, in Reus. At this phase, a new group included the six teams which advanced from the preliminary round groups – Argentina, Brazil, Italy, Netherlands, Portugal and Spain.
Roller hockey at the 1992 Summer Olympics - Squads and statistics Below are listed the squad constitutions for every nation which presented a team to the roller hockey competition at the 1992 Summer Olympics. Along with the rosters are also displayed total statistics per player and some general competiton statistics.
Roller Hockey International Roller Hockey International or RHI was an inline hockey league in North America between 1993-97 and 1999. Teams competed through a regular and playoff season in hopes of winning the Murphy Cup (not unlike the NHL's Stanley Cup).
Roller chain Roller chain or bush roller chain is the type of chain most commonly used for transmission of mechanical power on bicycles, motorcycles, and in industrial and agricultural machinery. It is simple, reliable, and efficient,As much as 98% efficient under ideal conditions, according to but requires more attention to maintenance than may be desired by potential owners; therefore there has been of late a tendency towards the use of other modes of power transmission, such as the cog, or timing belt.
Roller kiln Roller kilns are commonly used in the manufacture of ceramic tiles.Ceramic tiles are fired in several firing stages inside a long narrow chamber ,while the tiles are moving on top of rollers which are mounted parallel to the roller kiln.
Roller Maidens From Outer Space Roller Maidens From Outer Space is a 1974 comedy album by Phil Austin, one of the members of the comedy group Firesign Theatre. Although the record is considered to be Austin's "Solo" album, the other three Firesigns make vocal contributions throughout, and are thanked by Austin in the liner notes.
Roller shoes Roller shoes have the wheels only slightly protruding from the surface of the shoe and with the Heelys brand of shoes the wearer can alternate between walking and rolling fairly easily. The shoes are usually available in the children's shoe section of department stores or online from sporting goods websites.
Roller-delayed blowback Roller-delayed blowback is a firearm operating principle, a refined form of blowback. The main proponent of the system, Heckler & Koch, also referred to it as roller-locked, although the rollers delay, rather than positively lock, the bolt.
Rollerball (1975 film) Rollerball is a 1975 science fiction film directed by Norman Jewison from the 1973 short story Roller Ball Murder by William Harrison, which was published in Esquire magazine and subsequently nominated for the Pulitzer prize. Harrison himself wrote the screenplay for the film.
Rollerball (2002 film) Rollerball was a 2002 remake of the 1975 science fiction film also titled Rollerball. This updated 'remake' of the film was directed by John McTiernan and has a much greater concentration on action and more muted social and political overtones.
Rollerball pen Rollerball pens are pens which utilize ball point writing mechanisms with water-based or gel-based ink, as opposed to the oil-based inks found in ballpoint pen. The characteristics of these less viscous inks, which tend to saturate more deeply and more widely into the paper than other types of ink, give rollerball pens their distinctive writing qualities.
Rollerblade Rollerblade® is credited with creating one of the fastest-growing sports in the world. Due to the immense popularity of the brand, its products, and the sport it created, the Rollerblade trademark is often used incorrectly.
RollerCoaster Tycoon (book series) The RollerCoaster Tycoon book series was released in 2002, the same year the RollerCoaster Tycoon BoardGame and the RollerCoaster Tycoon 2 computer game were released. The books are based on the RollerCoaster Tycoon Computer game.
RollerCoaster Tycoon (game) RollerCoaster Tycoon is a simulation strategy computer and video game that simulates theme park management. Developed by MicroProse and Chris Sawyer and published by Hasbro Interactive, the game was released for Microsoft Windows on March 31, 1999 and was later ported to the Xbox game console.
RollerCoaster Tycoon (series) RollerCoaster Tycoon (or RCT, as it is abbreviated) is a series of computer games that simulate amusement park management. Each game in the series challenges players with open-ended amusement park management and development, and also allows players to construct and customize their own unique roller coasters.
Rollergirls Rollergirls was a thirteen episode 2006 A&E Network reality show examining the personalities, antics and motivations of the women involved with the Austin, Texas Lonestar Rollergirls roller derby league. According to their website, the league was founded in 2001 and is run as a "skater-owned and operated" company.
Rollesby Rollesby is a village and civil parish in the English county of Norfolk. It is situated on the A149 road, adjacent to Rollesby Broad and Ormesby Broad, about 12 km north-west of the town of Great Yarmouth and 30 km east of the city of Norwich.
Rolleston railway station Rolleston station is around half a mile from the small village of Rolleston, one of the Trent side villages close to Southwell in Nottinghamshire. As well as the village of Rolleston, the station is convenient for Southwell Racecourse, to which it is directly adjacent.
Rolleston, Nottinghamshire Rolleston is a small village in Nottinghamshire by the River Greet (a tributary of the Trent), a few miles from Southwell not far from the River Trent and about 5 miles southwest of Newark. It has a church dedicated to the Holy Trinity.
Rolleston, Queensland Rolleston is a small town of approximately 500 persons in Queensland. It is located in the Bauhinia Shire of Queensland Central Highlands, 275 km west of Gladstone and approximately 600 km northwest of Brisbane.
Rollhedges The Rollhedges stands for Rollhedges Funk Orchester and is an ambitious young orchestra playing their own music style with elements from Funk, Reggae and brass band music. Its almost 20 members originate from the area of GĂĽtersloh in Westphalia and the MĂĽnsterland.
Rolliad The Rolliad, in full Criticisms on the Rolliad, is a pioneering work of British satire directed principally at the administration of William Pitt the Younger. It was written and originally published in serial form in the Morning Herald in 1784-85, and its authors also contributed ancillary satires which were published together with it.
Rollie Boutin Roland David "Rollie" Boutin (born November 6, 1957 in Westlock, Alberta) is a retired Canadian ice hockey goaltender who played for the Washington Capitals. He was selected by the Capitals in the 1977 NHL Entry Draft.
Rollie Dotsch Rollie Dotsch (died March 16, 1988) was a football coach who served primarily in an assistant capacity before becoming the first coach of the United States Football League's Birmingham Stallions on September 2, 1982.
Rollie Fingers Roland Glen "Mr. Mustache" Fingers (born August 25, 1946 in Steubenville, Ohio) is a former relief pitcher in Major League Baseball for the Oakland Athletics (1968–76), San Diego Padres (1977–80) and Milwaukee Brewers (1981–85).
Rollie Sheldon Rollie Sheldon (born December 17, 1936 in Putnam, Connecticut), is a former professional baseball player who pitched in the Major Leagues from 1961-1962 and 1964-1966. In 1961, Sheldon had a sensational rookie season for the New York Yankees with 11 wins, but would never match that total ever again in his career.
Rollie Stiles Rolland Mays (Rollie) Stiles (born in Ratcliff, Arkansas November 17, 1906) the oldest former Major League Baseball Player age 100 years. Rollie was a former pitcher in Major League Baseball who played for the St.
Rollie Zeider Rollie Hubert Zeider (born November 16 1883 in rural Cass County, Indiana - died September 12 1967 in Garrett, Indiana) was a Major League Baseball infielder (playing over 100 games at all four infield positions in his career) for the Chicago White Sox (1910-1913), New York Yankees (1913), Chicago Chi-Feds/Chicago Whales in the Federal League from 1914-1915, and lastly the Chicago Cubs (1917-1918). He is one of only a few players to play for three different Chicago teams in his career, and one of two to do it in the 20th century.
Rollin' 20's Crips The Rollin' 20 Crips, sometimes also called the Eastside Rollin' 20 Crips, RTC, The Rollin 20's, The 20's or 20 crip is a Los Angeles Crips gang located on the Eastside of Long Beach, California. They are rivals of the Insane Crips of Long Beach, also on the Eastside, as well as any Latino gang, particularly the Varrio Longo13 gang.
Rollin' and Tumblin' "Rollin' and Tumblin'" is a blues song first recorded by Hambone Willie Newbern as "Roll and Tumble Blues" (Okeh 8679,1929). Robert Johnson also recorded a version of the song in 1936, under the title "If I Had Possession Over Judgment Day" (Wald 2006).
Rollin' Stone "Rollin' Stone" is the name of a 1948 Muddy Waters blues song which famously inspired the name of the band The Rolling Stones. Written by Muddy Waters but credited under his real name, McKinley Morganfield, "Rollin' Stone" was recorded at the famous Chess Records studios.
Rollin' Stoned Rollin' Stoned is the fourth official, full-length album from Orange County, CA, rappers Kottonmouth Kings, and their sixth release altogether. Combining rap, punk rock, reggae, and alternative rock (often all in the same song), Rollin' Stoned is perhaps the Kings' most musically diverse album to date.
Rollin' With The Nines Rollin' with the Nines is a British film set mainly in South London, about a rap group turned drug dealers. Starring Vas Blackwood (of Lock, Stock and Two Smoking Barrels), Robbie Gee (of Snatch), ex "Blue" member Simon Webbe, ex The Bill and Eastenders Billy Murray (actor), but it is the not so famous Terry Stone who really captures the scene as the anti-hero come bent-copper DS Andy White.
Rolling Rolling is a combination of rotation (of a more or less cylindrically or spherically symmetric object) and translation of that object with respect to a surface (either one or the other moves), such that the two are in contact with each other without sliding. This is achieved by a rotational speed at the cylinder or circle of contact which is equal to the translational speed.
Rolling (physiology) Rolling is a process in physiology where a white blood cell connects with endothelium cells via complementary surface adhesion molecules (selectins), rolling along it like a tumbleweed. A result of this can be the standstill of the white blood cell against the endothelium (referred to as tight binding), allowing for diapedesis to start.
Rolling admission Rolling admission is a policy used by many colleges in the United States to admit freshmen to undergraduate programs. Under rolling admission, a candidate is invited to submit his application to the university anytime within a large window.
Rolling Acres Rolling Acres is a shopping district in Akron, Ohio. Planning for the area began in 1960s with Forest City Enterprises, a Cleveland real estate company and the powerful Buchholzer family, whose previous endeavours involved financing much of the Chapel Hill Mall area.
Rolling Down to Old Maui Rolling Down to Old Maui is a traditional sea shanty which has been performed and recorded by many folksingers, including Stan Rogers. The song expresses the anticipation of the crew of a whaling vessel on its return to Maui after a season of whaling in the Kamchatka Sea.
Rolling election Rolling elections or staggered elections, are elections in which representatives are elected over a period of time rather than all at once. The presidential primaries in the United States is a good example of how a rolling election may be conducted.
Rolling globe Rolling Globe is a circus skill where the performer balances atop a large sphere, often taller than the performer. Various gymnastic or juggling stunts are performed, while the performer moves and controls the position of the ball with the feet and/or hands.
Rolling hills Rolling hills are like a mountain chain, only a "hill chain" of hills that roll on and on continually. You will often find them in between plains and mountains, near major rivers, or randomly anywhere.
Rolling machine A rolling machine is a machine that is designed to roll either tobacco or cannabis into individual cigarettes or spliffs for the operator. To roll a spliff (B) with cannabis, one must break up the smoking material (C) as well as remove any stems so they won't puncture the paper.
Rolling Meadows High School Rolling Meadows High School, or RMHS, is a public four-year high school located in Rolling Meadows, Illinois, a northwest suburb of Chicago, Illinois, in the United States. It is part of Township High School District 214.
Rolling Mill Mine The Rolling Mill Mine was a drift portal coal mine in operation in Johnstown, Cambria County, Pennsylvania, from approximately 1856 until 1931. It was originally owned by the Cambria Iron Company and was developed in the Westmont hillside across the Conemaugh River from the company's rolling mill.
Rolling papers Rolling papers are small sheets, rolls, or leaves of paper which are sold for rolling one's own cigarettes either by hand or with a rolling machine. When rolling a cigarette, one fills the rolling paper with tobacco, shag, marijuana or other herbs.
Rolling release In software development, a rolling release approach refers to a continuously evolving software system, where a released system artifact set and the system stability do not differ significantly from any unreleased set close to the release time. It is one of many types of software release life cycle.
Rolling start A rolling start is a type of start in an autoracing race, in which the cars are led at a certain speed by the safety car, before being allowed to accelerate at a certain point just before the start line. Motorsports utilising a rolling start include NASCAR, sportscar racing, and several worldwide touring car championships.
Rolling stock (Thomas the Tank Engine and Friends) No railway would be complete without coaches and trucks, and those appearing in the children's television series Thomas the Tank Engine and Friends are no exception. Coaches are used to carry passengers, and trucks are used to carry freight.
Rolling Stock Rolling Stock was a newspaper of ideas and a chronicle of the 1980s published in Boulder, Colorado by Ed Dorn and Jennifer Dunbar Dorn. The paper had a regional motif, but featured correspondents covering the world, including Woody Haut on Labor, John Daley on Law, Roger Echo-Hawk on Native American Affairs, Nick Sedgwick on Golf, Stan Brakhage on Film, Jane Brakhage on Lump Gulch, Dick Dillof in Montana, LucĂ­a Berlin in California, Tom Raworth, London & Cambridge, Fielding Dawson, New York; Jeremy Prynne, English Letters, Marilyn Krysl in China, James Inskeep, Southern Colorado, Tom Clark, Southern California, and Bob Lewis, Akron, Ohio & Abroad.
Rolling Stone Album Guide The Rolling Stone Album Guide, previously known as The Rolling Stone Record Guide, is a book that, along with its sister publication Rolling Stone magazine, contains professional reviews of popular music and is commonly used by both musicians and casual listeners.
Rolling Stones Mobile Studio The Rolling Stones Mobile Studio is a mobile recording studio owned by the musical group the Rolling Stones. Numerous bands and artists have recorded music using it, including Led Zeppelin, Deep Purple, Bob Marley, Horslips and the Rolling Stones themselves.
Rolling Stones Records Rolling Stones Records is the record label formed by The Rolling Stones in 1970, after their recording contract with Decca Records expired. They were first distributed in the United States by Atlantic Records daughter Atco Records.
Rolling Thunder (roller coaster) Rolling Thunder is a racing wooden roller coaster at Six Flags Great Adventure in Jackson, NJ. From its opening, it was the park's only operating wooden coaster, but lost that distinction when El Toro opened in 2006.
Rolling Thunder Revue The Rolling Thunder Revue was a famed concert tour comprised of a traveling caravan of musicians, headed by Bob Dylan, that took place in the fall of 1975 and the spring of 1976. The January 1976 release of Dylan's album Desire fell between the two legs of the tour.
Rollins School of Public Health The Rollins School of Public Health (RSPH) is the public health school of Emory University. Founded in 1990, RSPH has more than 850 students pursuing master's degrees (MPH/MSPH) and over 100 students pursuing doctorate degrees (PhD).
Rollkur Rollkur now officially known as "hyperflection of the neck," is a training technique used by several dressage] riders today, including Athens Individual Gold Medalist [[Anky van Grunsven and Nicole Uphoff. Was used in other equestrian disciplines, most notably show jumping, before being adopted by such well-known dressage riders.
Rollmops The word rollmops refers to a pickled herring fillet rolled (hence the name) into a cylindrical shape around a piece of pickled cucumber or an onion. The whole thing is held together with one or two small wooden skewers.
Rollo Armstrong Rollo Armstrong (born in London) is a part of the music producers/remixers team Rollo and Sister Bliss and older brother to Dido, whom he helped to write and produce the multi-million selling albums No Angel and Life For Rent.
Rollo Duke of Normandy Rollo Duke of Normandy or The Bloody Brother is a play written in collaboration by John Fletcher, Philip Massinger, Ben Jonson, and George Chapman. Scholars have disputed almost everything about the play; but it was probably written sometime in the 1612-24 era and later revised, perhaps in 1630 or after.
Rollout Rollout or roll 'em out is poker jargon used for a game phase in certain poker variants. It is often incorrectly called "roll your own", to which it has similarities but is fundamentally different from.
Rollout photography Rollout photography, a type of peripheral photography, is a process used to create a two dimensional photographic image of a three dimensional object. This process is the photographic equivalent of a cylindrical map projection in cartography.
Rollover (news) When new information is constantly demanded, website designers and updaters are frequently concerned with rolling over old content. The process of rollover involves storing or archiving dated information and replacing it with more current content.
Rollover (web design) Rollover refers to a button as created by a web developer or web designer, found within a web page, used to provide interactivity between the user and the page itself. The term rollover in this regard originates from the visual process of "rolling the mouse cursor over the button" causing the button to react (usually visually, by replacing the button's source image with another image), and sometimes resulting in a change in the web page itself.
Rollover cable Rollover cable (also known as Cisco console cable) is a type of null-modem cable that is most commonly used to connect a computer terminal to a router's console port. This cable is typically flat (and has a light blue color) to help distinguish it from other types of network cabling.
Rollover DJ "Rollover DJ" is the second single (except in the US, where it was the third, after "Cold Hard Bitch") by the Australian rock band Jet, from their 2003 album Get Born. It was released in the same year as the album, and was promoted with two different music videos.
Rollover Pass Rollover Pass is a man-made strait that cuts through the Bolivar Peninsula and links the Gulf of Mexico with Rollover Bay and East Bay on the upper Texas coast in eastern Galveston County (). The pass was opened in 1955 by the Texas Game and Fish Commission to increase bay water salinity, promote growth of submerged vegetation, and help marine fish to and from spawning and feeding areas in the bay.
Rollright Stones The Rollright Stones is the name of a complex of megalithic monuments near the village of Long Compton in England, lying across the border between the counties of Oxfordshire and Warwickshire (). It consists of three separate sites:
Rolls Razor Rolls Razor Limited was a British company which became famous for its "affordable" twin-tub washing machine for a few years up until 1964. It was the first company to challenge the hegemony of Hoover and Hotpoint in this market.

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