13-letter words containing a, c, s, e, o
- backbone site — A key Usenet, electronic mail and/or Internet site; one that processes a large amount of third-party traffic, especially if it is the home site of any of the regional coordinators for the Usenet maps. Notable backbone sites as of early 1993 include uunet and the mail machines at Rutgers University, UC Berkeley, DEC's Western Research Laboratories, Ohio State University and the University of Texas. Compare rib site, leaf site.
- backgrounders — Plural form of backgrounder.
- backing store — a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriolysis — the destruction or disintegration of bacteria
- bacterioscopy — the examination of bacteria with a microscope.
- bacteriostats — Plural form of bacteriostat.
- ballet school — a school where professional ballet dancers are trained
- barcoo salute — a movement of the hand to brush flies away from the face
- baroreceptors — Plural form of baroreceptor.
- basel accords — the three sets of rules, Basel I, Basel II, and Basel III, for regulating the banking industry, drawn up by the Basel Committee on Banking Supervision
- baseline cost — the projected cost for an undertaking at the time it is budgeted
- basement-rock — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- basic process — Military. basic training. a soldier or airman receiving basic training.
- basidiomycete — any fungus of the phylum Basidiomycota (formerly class Basidiomycetes), in which the spores are produced in basidia. The group includes boletes, puffballs, smuts, and rusts
- batch-process — to perform batch processing on (files)
- beacon school — a notably successful school whose methods and practices are brought to the attention of the education service as a whole in order that they may be adopted by other schools
- beacon status — a ranking awarded by the government to an organization, rendering it eligible for extra funding, and aimed at encouraging organizations to share good practice with each other
- behavioristic — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
- bignoniaceous — of, relating to, or belonging to the Bignoniaceae, a chiefly tropical family of trees, shrubs, and lianas, including jacaranda, bignonia, and catalpa
- biosystematic — relating to biosystematics
- bisectionally — from a bisectional point of view
- black section — (in Britain in the 1980s) an unofficial group within the Labour Party in any constituency that represented the interests of local Black people
- blasco ibanez — Vicente (biˈθente). 1867–1928, Spanish novelist, whose books include Blood and Sand (1909) and The Four Horsemen of the Apocalypse (1916)
- block release — the release of industrial trainees from work for study at a college for several weeks
- bloody caesar — a drink consisting of vodka, juice made from clams and tomatoes, and usually Worcester sauce and hot pepper sauce
- 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.
- 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.
- 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
- 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.
- brachypterous — having very short or incompletely developed wings
- brassicaceous — belonging to the plant family Brassicaceae, an alternative name for the plant family Cruciferae.
- breast pocket — The breast pocket of a man's coat or jacket is a pocket, usually on the inside, next to his chest.
- buenas noches — good night
- buster collar — a round collar, similar to a lampshade in shape, that is fitted round the neck of an animal or bird, for example to prevent it removing or interfering with a dressing or other treatment
- by contraries — contrary to what is expected
- cache storage — cache (def 3).
- caesaropapism — the theory that the state should have authority over the church in ecclesiastical matters; Erastianism
- caesium clock — a type of atomic clock that uses the frequency of radiation absorbed in changing the spin of electrons in caesium atoms
- calcariferous — having a spur or spurs
- calf's tongue — a molding having pendent, tonguelike members in relief against a flat or molded surface.
- camerapersons — Plural form of cameraperson.
- camphoraceous — similar to camphor
- camping stove — a portable stove powered by butane gas canisters, designed to be used for cooking while camping
- campus police — police officers, security guards or students employed by a college or university to patrol the campus and to protect students, staff, and visitors
- cancellations — Plural form of cancellation.
- candleholders — Plural form of candleholder.