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16-letter words containing u, r, b, a

  • razor-billed auk — a black and white auk, Alca torda, of the American and European coasts of the northern North Atlantic, having a compressed black bill encircled by a white band.
  • reaction turbine — a turbine driven by the reactive force of a fluid passing through the rotor blades.
  • reasonable doubt — law: grounds for believing sb is innocent
  • rectus abdominis — a long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents
  • redistributional — a distribution performed again or anew.
  • republican party — one of the two major political parties in the U.S.: originated 1854–56.
  • republican river — a river flowing E from E Colorado through Nebraska and Kansas into the Kansas River. 422 miles (680 km) long.
  • reserve buoyancy — the difference between the volume of a hull below the designed waterline and the volume of the hull below the lowest opening incapable of being made watertight.
  • rhythm and blues — a folk-based but urbanized form of black popular music that is marked by strong, repetitious rhythms and simple melodies and was developed, in a commercialized form, into rock-'n'-roll.
  • rhythm-and-blues — a folk-based but urbanized form of black popular music that is marked by strong, repetitious rhythms and simple melodies and was developed, in a commercialized form, into rock-'n'-roll.
  • ribonucleic acid — RNA.
  • rich tea biscuit — any of various semisweet biscuits
  • right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
  • right honourable — (in Britain and certain Commonwealth countries) a title of respect for a Privy Councillor or an appeal-court judge
  • rough and tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
  • rough-and-tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
  • round lake beach — a town in NE Illinois.
  • roundabout chair — corner chair.
  • run the blockade — to go past or through a blockade
  • run-time library — (operating system, programming, library)   A file containing routines which are linked with a program at run time rather than at compile-time. The advantage of such dynamic linking is that only one copy of the library needs to be stored, rather than a copy being included with each executable that refers to it. This can greatly reduce the disk space occupied by programs. Furthermore, it means that all programs immediately benefit from changes (e.g. bug fixes) to the single copy of the library without requiring recompilation. Since the library code is normally classified as read-only to the memory management system, it is possible for a single copy of the library to be loaded into memory and shared by all active programs, thus reducing RAM and virtual memory requirements and program load time.
  • saint petersburg — Also called Russian Empire. Russian Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Capital: St. Petersburg (1703–1917).
  • san buenaventura — a city in SW California.
  • scarborough lily — a plant, Vallota speciosa, of the amaryllis family, native to southern Africa, having clusters of funnel-shaped, scarlet flowers.
  • schaumburg-lippe — a former state in NW Germany.
  • security blanket — a blanket or other familiar item carried especially by a young child to provide reassurance and a feeling of psychological security.
  • self-lubricating — to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something).
  • self-lubrication — the process of becoming lubricated without external factors
  • semisubterranean — half below the surface of the ground: the semisubterranean houses of some Indian tribes.
  • sodium carbonate — Also called soda ash. an anhydrous, grayish-white, odorless, water-soluble powder, Na 2 CO 3 , usually obtained by the Solvay process and containing about 1 percent of impurities consisting of sulfates, chlorides, and bicarbonates of sodium: used in the manufacture of glass, ceramics, soaps, paper, petroleum products, sodium salts, as a cleanser, for bleaching, and in water treatment.
  • sodium perborate — a white, crystalline, water-soluble solid, NaBO 2 ⋅3H 2 O or NaBO 3 ⋅4H 2 O, used chiefly as a bleaching agent and antiseptic.
  • soft brown sugar — a type of moist sugar made by coating white sugar with dark molasses
  • southern baptist — a member of the Southern Baptist Convention, founded in Augusta, Georgia, in 1845, that is strictly Calvinistic and active in religious publishing and education.
  • strawberry guava — a shrub or small tree, Psidium littorale, of the myrtle family, native to Brazil, having smooth, grayish-brown bark, leathery leaves, white flowers, and edible, white-fleshed, purplish-red fruit.
  • strawberry shrub — Carolina allspice
  • subcartilaginous — partially or incompletely cartilaginous.
  • submarine chaser — a small patrol vessel, 100–200 feet (30–60 meters) long, designed for military operations against submarines.
  • subordinationism — the doctrine that the first person of the Holy Trinity is superior to the second, and the second superior to the third.
  • substance abuser — a person who takes an excessive amount of drugs in a manner that is detrimental to health
  • substantia nigra — a deeply pigmented area of the midbrain containing dopamine-producing nerve cells.
  • substantive rank — a permanent rank in the armed services obtained by length of service, selection, etc
  • subtropical high — one of several highs, as the Azores and Pacific highs, that prevail over the oceans at latitudes of about 30 degrees N and S. Also called subtropical anticyclone. Compare high (def 37).
  • sulfocarbanilide — thiocarbanilide.
  • superserviceable — overly disposed to be of service; officious.
  • take by surprise — to strike or occur to with a sudden feeling of wonder or astonishment, as through unexpectedness: Her beauty surprised me.
  • take the trouble — If you take the trouble to do something, you do something which requires a small amount of additional effort.
  • tarantula nebula — a huge bright emission nebula located in the S hemisphere in the Large Magellanic Cloud
  • tertiary bursary — a noncompetitive award granted to all pupils who have passed a university entrance examination
  • teutoburger wald — a chain of wooded hills in Germany, in Westphalia: Romans defeated by German tribes a.d.
  • the arabian gulf — the arm of the Arabian Sea between SW Iran and Arabia; important for the oilfields on its shores
  • the easter bunny — the rabbit that brings Easter eggs
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