13-letter words containing o, s, b, r
- 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
- book scorpion — any of various small arachnids of the order Pseudoscorpionida (false scorpions), esp Chelifer cancroides, which are sometimes found in old books, etc
- booster cable — either of a pair of electric cables having clamps at each end and used for starting the engine of a vehicle whose battery is dead.
- 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
- border states — slave states bordering on the free states before the Civil War: Mo., Ky., Va., Md., & Del.
- boring sponge — any of a family (Clionidae) of sponges that settle on and dissolve the shells of clams
- 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.
- borna disease — viral disease found in mammals, esp horses
- bosch process — an industrial process for manufacturing hydrogen by the catalytic reduction of steam with carbon monoxide
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- boston matrix — a two-dimensional matrix, used in planning the business strategy of a large organization, that identifies those business units in the organization that generate cash and those that use it
- boston rocker — a type of 19th-cent. American rocking chair, having a curved wooden seat and a high back formed of spindles held in place by a broad headpiece
- botryomycosis — a disease, usually of horses, caused by a bacterial infection (usually, Staphylococcus aureus) producing tumorous growths esp. after castration or a wound or injury
- bottle-washer — a menial or factotum
- 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)
- bowman's root — an eastern U.S. plant, Gillenia trifoliata, of the rose family, having terminal clusters of white flowers.
- box stretcher — a heavy rectangular stretcher connecting successive legs of a table, chair, etc.
- boys' brigade — (in Britain) an organization for boys, founded in 1883, with the aim of promoting discipline and self-respect
- 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
- brainstorming — intensive discussion to solve problems or generate ideas
- branded goods — goods that are identifiable as being the product of a particular manufacturer or marketing company
- brass foundry — a foundry that makes things from brass
- 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.
- breast pocket — The breast pocket of a man's coat or jacket is a pocket, usually on the inside, next to his chest.
- breast stroke — a swimming stroke performed face down in which both arms are extended outward and sideways from a position close to the chest, while the legs engage in a frog kick
- breaststroker — a person who swims breaststroke
- 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
- brest litovsk — former name (until 1921) of Brest.
- bretton woods — resort in the White Mountains, N.H.: site of a United Nations monetary conference (1944) at which the International Monetary Fund was established
- brevirostrate — having a short beak or bill
- brewer's mole — hairy-tailed mole.
- bridal shower — a party, held for a woman before her wedding, to which her friends bring gifts
- bridging shot — a shot inserted in a film to indicate the passage of time between two scenes, as of a series of newspaper headlines or calendar pages being torn off.
- bring to pass — to cause to happen
- bristol board — a heavy smooth cardboard of fine quality, used for printing and drawing
- broadly based — Something that is broadly based involves many different kinds of things or people.
- broca-aphasia — a type of aphasia caused by a lesion in Broca's area of the brain, characterized by misarticulated speech and lack of grammatical morphemes.
- broiler house — a building in which broiler chickens are reared in confined conditions
- bromo-seltzer — a compound containing a bromide, sodium bicarbonate, etc., used for relief from headaches and upset stomachs, and as a sedative
- bronchiolitis — a condition in which the small airways in the lungs become inflamed by a virus. It is most common in infants, who become breathless in severe cases. Recurrent attacks may lead to asthma
- bronco buster — a person who breaks broncos to the saddle.
- brotherliness — of, like, or befitting a brother; affectionate and loyal; fraternal: brotherly love.