19-letter words containing ra
- behavioral medicine — an interdisciplinary field that uses the concepts and techniques of the behavioral sciences to improve physical and emotional health.
- behavioural science — the application of scientific methods to the study of the behaviour of organisms
- bi-lateral symmetry — a basic body plan in which the left and right sides of the organism can be divided into approximate mirror images of each other along the midline.
- binding arbitration — dispute resolution
- blackstrap molasses — the molasses remaining after the maximum quantity of sugar has been extracted from the raw material
- blood-brain barrier — the barrier created by the walls of the capillaries of the brain that prevents certain substances, as most proteins and drugs, from passing from the blood into the brain tissue and cerebrospinal fluid
- board of trade unit — a unit of electrical energy equal to 1 kilowatt-hour
- boat-tailed grackle — a large grackle, Quiscalus major, of the southeastern U.S., that folds its tail into a shape resembling the keel of a boat.
- bracket abstraction — (compiler) An algorithm which turns a term into a function of some variable. The result of using bracket abstraction on T with respect to variable v, written as [v]T, is a term containing no occurrences of v and denoting a function f such that f v = T. This defines the function f = (\ v . T). Using bracket abstraction and currying we can define a language without bound variables in which the only operation is monadic function application. See combinator.
- brand contamination — the process by which the reputation of a particular brand or product becomes tarnished by adverse publicity
- brazen law of wages — the doctrine or theory that wages tend toward a level sufficient only to maintain a subsistence standard of living.
- breathing apparatus — an apparatus, usually consisting of tanks of air or oxygen and a mouthpiece, that enables the wearer to breath in difficult conditions such as a smoke-filled building
- bug tracking system — (programming) (BTS) A system for receiving and filing bugs reported against a software project, and tracking those bugs until they are fixed. Most major software projects have their own BTS, the source code of which is often available for use by other projects. Well known BTSs include GNATS, Bugzilla, and Debbugs.
- building contractor — an individual or company that contracts for the construction of houses, etc
- buildings insurance — insurance which covers buildings
- bulbourethral gland — Cowper's gland
- by one's bootstraps — by one's own efforts; unaided
- captain abstraction — The champion of the principles of abstraction and modularity, who protects unwary students on MIT's course 6.001 from the nefarious designs of Sergeant Spaghetticode and his vile concrete programming practices. See also spaghetti code.
- captains courageous — a novel (1897) by Rudyard Kipling.
- carnot refrigerator — a device operating on the Carnot cycle in which the first temperature is higher than the second.
- cat scratch disease — a disorder characterized by fever and swelling of the lymph glands, caused by a viral infection resulting from the scratch or bite of a cat.
- cat-scratch disease — an ailment characterized by fever and swollen glands and believed to be caused by bacteria transmitted by the scratch or bite of a cat
- caterpillar tractor — a tractor powered by a Caterpillar track
- catherine of aragon — 1485–1536, first wife of Henry VIII of England and mother of Mary I. The annulment of Henry's marriage to her (1533) against papal authority marked an initial stage in the English Reformation
- celestial hierarchy — hierarchy (def 6).
- central reservation — The central reservation is the strip of ground, often covered with grass, that separates the two sides of a major road.
- ceramic engineering — the branch of engineering concerned with the development and production of ceramics.
- cerebral hemisphere — either half of the cerebrum
- cerebral hemorrhage — hemorrhage from a blood vessel into the cerebrum, often followed by neurologic damage; a type of stroke.
- cerebral thrombosis — formation of a clot or other blockage in one of the blood vessels of the brain, often followed by neurologic damage; a type of stroke.
- chandrasekhar limit — the upper limit to the mass of a white dwarf, equal to 1.44 solar masses. A star having a mass above this limit will continue to collapse to form a neutron star
- character generator — a device used in television studios to incorporate text or other symbols into the television screen image.
- character reference — a testimonial from an employer or acquaintance testifying to a person's good character
- characteristic root — a scalar for which there exists a nonzero vector such that the scalar times the vector equals the value of the vector under a given linear transformation on a vector space.
- chargeable transfer — a transfer of value made as a gift during a person's lifetime that is not covered by a specific exemption and therefore gives rise to liability under inheritance tax
- chartered librarian — (in Britain) a librarian who has obtained a qualification from the Library Association in addition to a degree or diploma in librarianship
- chemical castration — the use of drugs to reduce libido
- cherenkov radiation — the electromagnetic radiation produced when a charged particle moves through a medium at a greater velocity than the velocity of light in that medium
- chinese finger trap — a child's toy, consisting of a small cylinder of woven straw or paper into which the forefingers are placed, one in each end: the harder one pulls, the more securely the fingers are held.
- christian democracy — the beliefs, principles, practices, or programme of a Christian Democratic party
- chromatographically — With regard to, or by by using chromatography.
- cinematographically — a motion-picture projector.
- circulating library — a small library circulated in turn to a group of schools or other institutions
- clandestine entrant — a person who hides in or on a vehicle as it enters the United Kingdom with the aim of avoiding immigration controls
- clemastine fumarate — an antihistamine, C 25 H 30 ClNO 5 , that has drying and some sedative effects, used for symptomatic relief of allergy.
- coded character set — (character, standard) A mapping, generally 1:1, from a set of integers, known as character codes or code positions, to a set of characters that may include letters, digits, punctuation, control codes, mathematical and typographic symbols. There are several standard coded character sets, the most widely used is ASCII, generally in its Latin-1 dialect, with Unicode becoming slowly more common; while EBCDIC and Baudot are extinct except in legacy systems.
- coefficient of drag — the ratio of the drag on a body moving through air to the product of the velocity and surface area of the body.
- coherent parallel c — (language) A data parallel version of C.
- college-preparatory — preparing a student for academic work at the college level.
- collision insurance — insurance protecting an automobile owner against loss or damage to the automobile resulting from a collision or other accident.