17-letter words containing u, r, l
- double pair royal — a set of four cards of the same denomination, worth 12 points.
- double quatrefoil — a charge having the form of a foil with eight leaves, used especially as the cadency mark of a ninth son.
- double refraction — the separation of a ray of light into two unequally refracted, plane-polarized rays of orthogonal polarizations, occurring in crystals in which the velocity of light rays is not the same in all directions.
- double track line — a railway line with double track
- douglas engelbart — (person) Douglas C. Engelbart, the inventor of the mouse. On 1968-12-09, Douglas C. Engelbart and the group of 17 researchers working with him in the Augmentation Research Center at Stanford Research Institute in Menlo Park, California, USA, presented a 90-minute live public demonstration of the on live system, NLS, they had been working on since 1962. The presentation was a session in the of the Fall Joint Computer Conference held at the Convention Center in San Francisco, and it was attended by about 1000 computer professionals. This was the public debut of the computer mouse, hypertext, object addressing, dynamic file linking and shared-screen collaboration involving two persons at different sites communicating over a network with audio and video interface. The original 90-minute video: Hyperlinks, Mouse, Web-board.
- douglas macarthur — Douglas, 1880–1964, U.S. general: supreme commander of allied forces in SW Pacific during World War II and of UN forces in Korea 1950–51.
- drained of colour — colourless
- drive up the wall — to cause to become crazy or furious
- drop one's bundle — several objects or a quantity of material gathered or bound together: a bundle of hay.
- duality principle — the principle that a mathematical duality exists under certain conditions.
- due course of law — the regular administration of the law, according to which no citizen may be denied his or her legal rights and all laws must conform to fundamental, accepted legal principles, as the right of the accused to confront his or her accusers.
- dull as dishwater — water in which dishes are, or have been, washed.
- dwarf huckleberry — tangleberry.
- electroconvulsive — Of or relating to the treatment of mental illness by the application of electric shocks to the brain.
- electrometallurgy — metallurgy involving the use of electric-arc furnaces, electrolysis, and other electrical operations
- empirical formula — a chemical formula indicating the proportion of each element present in a molecule
- enrolment figures — the numbers of people enrolling at an institution, on a course, etc
- entrepreneurially — In an entrepreneurial manner.
- equal opportunity — policies that bar discrimination
- equatorial guinea — a republic of W Africa, consisting of Río Muni on the mainland and the island of Bioko in the Gulf of Guinea, with four smaller islands: ceded by Portugal to Spain in 1778; gained independence in 1968. Official languages: Spanish and French. Religion: Roman Catholic majority. Currency: franc. Capital: Malabo. Pop: 704 000 (2013 est). Area: 28 049 sq km (10 830 sq miles)
- exclusionary rule — a legal rule that evidence obtained illegally, as from a search without a warrant, may not be introduced at trial
- fair market value — The fair market value of an asset is what a willing buyer would pay a willing seller for it on the open market.
- false bread-fruit — ceriman.
- feint-ruled paper — writing paper with light horizontal lines printed across at regular intervals
- felix frankfurter — Felix, 1882–1965, U.S. jurist, born in Austria: associate justice of the U.S. Supreme Court 1939–62.
- fellow countryman — sb of same nationality
- financial futures — futures in a stock-exchange index, currency exchange rate, or interest rate enabling banks, building societies, brokers, and speculators to hedge their involvement in these markets
- flight instrument — any instrument used to indicate the altitude, attitude, airspeed, drift, or direction of an aircraft.
- floating currency — a currency that is free to fluctuate against other currencies in accordance with market forces
- flower-of-an-hour — a malvaceous Old World herbaceous plant, Hibiscus trionum, having pale yellow flowers with a bladder-like calyx
- flowering currant — an ornamental shrub, Ribes sanguineum, growing to 2 to 3 metres (6 to 9ft) in height, with red, crimson, yellow, or white flowers: family Saxifragaceae
- flowers of sulfur — sublimed sulfur in the form of a fine yellow powder, used in medicine chiefly to kill parasites and fungi and to treat certain skin diseases.
- fluid lubrication — lubrication in which bearing surfaces are separated by an oil film sustained by the motion of the parts
- fluorescent light — a fluorescent lamp in domestic or commercial use; a fluorescent strip
- fluorescent strip — a fluorescent light in the form of a long strip
- fluvioterrestrial — (of animals) able to live in rivers and on land
- folie de grandeur — a delusion of grandeur; megalomania.
- fouquier-tinville — Antoine Quentin [ahn-twan kahn-tan] /ɑ̃ˈtwan kɑ̃ˈtɛ̃/ (Show IPA), 1747?–95, French revolutionist: prosecutor during the Reign of Terror.
- four on the floor — a four-speed manual transmission having the gearshift set into the floor.
- four-letter words — any of a number of short words, usually of four letters, considered offensive or vulgar because of their reference to excrement or sex.
- four-on-the-floor — a four-speed manual transmission having the gearshift set into the floor.
- four-rowed barley — a class of barley having, in each spike, six rows of grain, with two pairs of rows overlapping.
- four-star general — high-ranking military officer
- four-stroke cycle — A four-stroke cycle is the cycle of engine operation which requires four strokes of the piston: for induction, compression, ignition, and exhaust.
- fourfold purchase — a tackle that is composed of a rope passed through two fourfold blocks in such a way as to provide mechanical power in the ratio of 1 to 5 or 1 to 4, depending on whether hauling is done on the running or the standing block and without considering friction. Compare tackle (def 2).
- french revolution — the revolution that began in 1789, overthrew the absolute monarchy of the Bourbons and the system of aristocratic privileges, and ended with Napoleon's overthrow of the Directory and seizure of power in 1799.
- frequency polygon — a frequency curve consisting of connected line segments formed by joining the midpoints of the upper edges of the rectangles in a histogram whose class intervals are of uniform length.
- full linear group — the group of all nonsingular linear transformations mapping a finite-dimensional vector space into itself.
- full load current — A full load current is the largest current that a motor or other device is designed to carry under particular conditions.
- functional isomer — any of several structural isomers that have the same molecular formula but with the atoms connected in different ways and therefore falling into different functional groups.