13-letter words containing a, s, o
- blepharospasm — spasm of the muscle of the eyelids, causing the eyes to shut tightly, either as a response to painful stimuli or occurring as a form of dystonia
- block release — the release of industrial trainees from work for study at a college for several weeks
- blood sausage — a kind of black sausage made from minced pork fat, pig's blood, and other ingredients
- blood-stained — stained with blood: a bloodstained knife.
- bloody caesar — a drink consisting of vodka, juice made from clams and tomatoes, and usually Worcester sauce and hot pepper sauce
- bloody sunday — (in Northern Ireland) 30th January 1972, when British soldiers shot dead thirteen marchers in Londonderry who were protesting against the UK government's policy of internment
- blot analysis — a technique for analysing biological molecules, such as proteins (Western blot analysis), DNA (Southern blot analysis), and RNA (Northern blot analysis), involving their separation by gel electrophoresis, transfer to a nitrocellulose sheet, and subsequent analysis by autoradiography
- blow a gasket — to burst out in anger
- blue asbestos — a common name for the mineral crocidolite, a variety of asbestos found in Africa and Australia
- blue copperas — a salt, copper sulfate, CuSO 4 ⋅5H 2 O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.
- blue grosbeak — a grosbeak, Guiraca caerulea, of the U.S., Mexico, and Central America, the male of which is blue with two rusty bars on each wing.
- board measure — a system of units for measuring wood based on the board foot. 1980 board feet equal one standard
- boarding fees — fees paid for boarding at a school
- boarding pass — A boarding pass is a card that a passenger must have when boarding a plane or a boat.
- boardinghouse — a private house in which accommodation and meals are provided for paying guests
- body and soul — You use body and soul to mean every part of you, including your mind and your emotions.
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- bois de vache — dried buffalo dung, used as fuel by Canadian and U.S. fur trappers in the 18th and 19th centuries.
- bomb disposal — Bomb disposal is the job of dealing with bombs which have not exploded, by taking out the fuse or by blowing them up in a controlled explosion.
- bombastically — (of speech, writing, etc.) high-sounding; high-flown; inflated; pretentious.
- bonanza state — a name for the state of Montana
- bonin islands — a group of 27 volcanic islands in the W Pacific: occupied by the US after World War II; returned to Japan in 1968. Largest island: Chichijima. Area: 103 sq km (40 sq miles)
- boom-and-bust — characteristic of a period of economic prosperity followed by a depression.
- 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.
- boots and all — making every effort; with no holds barred
- 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.
- borna disease — viral disease found in mammals, esp horses
- 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
- bottle-washer — a menial or factotum
- bouillabaisse — Bouillabaisse is a rich stew or soup of fish and vegetables.
- bounced flash — a flash bounced off a reflective surface, as a ceiling or wall, to illuminate a subject indirectly.
- bouncy castle — A bouncy castle is a large object filled with air, often in the shape of a castle, which children play on at a fairground or other outdoor event.
- 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).
- 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.
- 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