13-letter words containing a, b, c, o
- 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)
- batrachotoxin — a steroidal alkaloid, C31H42N2O6, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
- bay of biscay — a large bay of the Atlantic Ocean between W France and N Spain: notorious for storms
- 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
- beatification — a beatifying or being beatified
- bedroom farce — a light comedy about sexual relationships
- 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.
- belgian congo — former Belgian colony (1908-60) in central Africa: now the country of Democratic Republic of the Congo
- benedictional — a book of benedictions or blessings
- beneficiation — the procedure of reducing ores
- benthopelagic — relating to species living at the bottom of the sea
- benzalacetone — benzylidene acetone.
- beta carotene — a yellowish form of carotene: a dietary deficiency of this is associated with a greater risk of certain cancers
- beta function — a function of two variables, usually expressed as an improper integral and equal to the quotient of the product of the values of the gamma function at each variable divided by the value of the gamma function at the sum of the variables.
- beta receptor — a receptor, found on the surface of some cells of the sympathetic nervous system, that is stimulated by certain adrenergic substances: such stimulation results in certain physiological responses, such as acceleration of the action of the heart and dilatation of the arteries supplying heart and skeletal muscles
- beta-blocking — acting to inhibit the activity of the nerves that are stimulated by adrenaline
- beta-carotene — the most abundant of various isomers of carotene, C 40 H 56 , that can be converted by the body to vitamin A.
- beta-receptor — a site on a cell, as of the heart, that, upon interaction with epinephrine or norepinephrine, controls heartbeat and heart contractability, vasodilation, smooth muscle inhibition, and other physiological processes.
- beyond recall — If something is beyond recall, it is no longer possible to remember how it was or to bring it back to its original condition.
- bibliographic — a complete or selective list of works compiled upon some common principle, as authorship, subject, place of publication, or printer.
- bibliological — relating to bibliology
- bibliothecary — a librarian
- biconditional — (of a proposition) asserting that the existence or occurrence of one thing or event depends on, and is dependent on, the existence or occurrence of another, as “A if and only if B.”.
- bicontinental — of, on, or involving two continents: a bicontinental survey.
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- bignoniaceous — of, relating to, or belonging to the Bignoniaceae, a chiefly tropical family of trees, shrubs, and lianas, including jacaranda, bignonia, and catalpa
- bimolecularly — in a bimolecular fashion
- bioaccumulate — (of substances, esp toxins) to build up within the tissues of organisms
- biochemically — the science dealing with the chemistry of living matter.
- biocompatible — not rejected by the body
- bioecological — the study of the interrelations among living organisms in their natural environment; ecology.
- bioelectrical — relating to electrical current generated by biological activity
- biomechanical — relating to biomechanics
- biostatistics — the use of statistics to analyse biological data
- biosystematic — relating to biosystematics
- biotic factor — a living thing, as an animal or plant, that influences or affects an ecosystem: How do humans affect other biotic factors? Weather is not a biotic factor because it is not alive.
- bird of peace — a dove.
- bisectionally — from a bisectional point of view
- bl lac object — an extremely compact violently variable form of active galaxy
- black buffalo — a buffalofish, Ictiobus niger, of the Great Lakes and Mississippi River drainage systems south to Mexico.
- black country — a district in the English Midlands, around Birmingham: so called from the soot and grime produced by the many local industries.
- black diamond — coal (sense 1)
- black economy — The black economy consists of the buying, selling, and producing of goods or services that goes on without the government being informed, so that people can avoid paying tax on them.
- black hickory — a species of smooth-barked hickory, Carya tomentosa, with fragrant foliage that turns bright yellow in autumn
- 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
- black-bag job — surreptitious or illegal entry or activity by government agents seeking incriminating evidence.
- blackjack oak — a small oak tree, Quercus marilandica, of the southeastern US, with blackish bark and fan-shaped leaves
- blasco ibanez — Vicente (biˈθente). 1867–1928, Spanish novelist, whose books include Blood and Sand (1909) and The Four Horsemen of the Apocalypse (1916)