13-letter words containing b, r, u, s
- boardinghouse — a private house in which accommodation and meals are provided for paying guests
- body brussels — a carpet made with three-ply or four-ply worsted yarn drawn up in uncut loops to form a pattern over the entire surface (body Brussels) or made of worsted or woolen yarns on which a pattern is printed (tapestry Brussels)
- bone-crushing — powerful or constricting enough to crush one's bones: a bone-crushing handshake.
- book of hours — a book used esp in monasteries during the Middle Ages that contained the prayers and offices of the canonical hours
- boraginaceous — of, relating to, or belonging to the Boraginaceae, a family of temperate and tropical typically hairy-leaved flowering plants that includes forget-me-not, lungwort, borage, comfrey, and heliotrope
- boris godunov — Boris Fedorovich [bawr-is fi-dawr-uh-vich,, bohr-,, bor-;; Russian buh-ryees fyaw-duh-ruh-vyich] /ˈbɔr ɪs fɪˈdɔr ə vɪtʃ,, ˈboʊr-,, ˈbɒr-;; Russian bʌˈryis ˈfyɔ də rə vyɪtʃ/ (Show IPA), 1552–1605, regent of Russia 1584–98 and czar 1598–1605.
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- boundary scan — The use of scan registers to capture state from device input and output pins. IEEE Standard 1149.1-1990 describes the international standard implementation (sometimes called JTAG after the Joint Test Action Group which began the standardisation work).
- boustrophedon — having alternate lines written from right to left and from left to right
- boutros-ghali — ˈBoutros (ˈbutroʊs ) ; bo̅oˈtrōs) 1922- ; Egypt. diplomat: secretary-general of the United Nations (1992-96)
- brachiosaurus — a dinosaur of the genus Brachiosaurus, up to 30 metres long: the largest land animal ever known
- brachypterous — having very short or incompletely developed wings
- braggadocious — boastful
- brain surgeon — a surgeon who specializes in brain surgery
- brain surgery — operation on the brain
- brain truster — a member of a brain trust; an important but usually unofficial adviser.
- brass foundry — a foundry that makes things from brass
- brass rubbing — A brass rubbing is a picture made by placing a piece of paper over a brass plate that has writing or a picture on it, and rubbing it with a wax crayon.
- brass-rubbing — an antiquarian's technique for copying designs from incised brass memorial slabs and the like.
- brassfounding — the practice of making things from brass
- brassicaceous — belonging to the plant family Brassicaceae, an alternative name for the plant family Cruciferae.
- breakthroughs — a military movement or advance all the way through and beyond an enemy's front-line defense.
- breeches buoy — a ring-shaped life buoy with a support in the form of a pair of short breeches, in which a person is suspended for safe transfer from a ship
- bristle brush — a brush made with animal bristles
- broiler house — a building in which broiler chickens are reared in confined conditions
- bronco buster — a person who breaks broncos to the saddle.
- brown mustard — black mustard. See under mustard (def 2).
- brussels lace — a fine lace with a raised or appliqué design
- buccaneerings — the characteristic actions of a buccaneer
- buck sergeant — a newly promoted sergeant
- buffalo grass — a short grass, Buchloë dactyloides, growing on the dry plains of the central US
- buffet supper — supper at which people stand up and help themselves from the table
- buggin's turn — promotion by seniority or rotation rather than merit.
- buggins' turn — the principle of awarding an appointment to members of a group in turn, rather than according to merit
- build bridges — to promote reconciliation or cooperation between hostile groups or people
- bunker buster — a laser-guided bomb designed to penetrate deep underground, as into rock or concrete, before detonating.
- bunko steerer — a swindler, especially a person who lures another to a gambling game to be cheated.
- bunsen burner — a gas burner, widely used in scientific laboratories, consisting of a metal tube with an adjustable air valve at the base
- bureaucratese — wordy, jargon-filled, overcomplicated language considered typical of bureaucrats
- bureaucratism — an official of a bureaucracy.
- bureaucratist — a believer in bureaucracy
- burgess shale — a bed of Cambrian sedimentary rock in the Rocky Mountains in British Columbia containing many unique invertebrate fossils
- burglariously — in the manner of a burglar or buglary
- buridan's ass — an example intended to show the deficiency of reason. An ass standing equidistant from two identical heaps of oats starves to death because reason provides no grounds for choosing to eat one rather than the other
- burmese glass — an American art glass of the late 19th century, ranging from greenish-yellow to pink.
- burnham scale — the salary scale for teachers in English state schools, which is revised periodically
- burning glass — a convex lens for concentrating the sun's rays into a small area to produce heat or fire
- burt standish — Burt L. pseudonym of Gilbert Patten.
- bus mastering — bus master
- busheled iron — heterogeneous iron made from scrap iron and steel.