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18-letter words containing t, r, i, a, l, o

  • auxiliary equation — characteristic equation (def 1b).
  • auxiliary-equation — Mathematics. the characteristic polynomial of a given matrix, equated to zero. Also called auxiliary equation. an equation with one variable and equated to zero, which is derived from a given linear differential equation and in which the coefficient and power of the variable in each term correspond to the coefficient and order of a derivative in the original equation.
  • axis of revolution — an axis in a plane, about which an area is revolved to form a solid of revolution.
  • ballistocardiogram — a tracing made by a ballistocardiograph
  • barium thiosulfate — a white, crystalline, water-insoluble, poisonous solid, BaS 2 O 3 ⋅H 2 O, used chiefly in the manufacture of explosives, matches, paints, and varnishes.
  • bartholin's glands — two small reddish-yellow glands, one on each side of the vaginal orifice, that secrete a mucous lubricating substance during sexual stimulation in females
  • battery eliminator — eliminator (def 2).
  • battery-eliminator — a person or thing that eliminates.
  • bernoulli equation — Hydrodynamics. Bernoulli's theorem (def 2).
  • biological control — the control of destructive organisms by the use of other organisms, such as the natural predators of the pests
  • biological parents — the biological mother and father of a child
  • biological therapy — biotherapy
  • bipolar transistor — (electronics)   A transistor made from a sandwich of n- and p-type semiconductor material: either npn or pnp. The middle section is known as the "base" and the other two as the "collector" and "emitter". When used as an amplifying element, the base to emitter junction is in a "forward-biased" (conducting) condition, and the base to collector junction is "reverse-biased" or non-conducting. Small changes in the base to emitter current (the input signal) cause either holes (for pnp devices) or free electrons (for npn) to enter the base from the emitter. The attracting voltage of the collector causes the majority of these charges to cross into and be collected by the collector, resulting in amplification. Contrast field effect transistor.
  • biz-core stability — (security)   Internet security products which secure the business core.
  • blocking capacitor — a capacitor that blocks the passage of direct current but allows alternating current to pass
  • board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
  • borosilicate glass — any of a range of heat- and chemical-resistant glasses, such as Pyrex, prepared by fusing together boron(III) oxide, silicon dioxide, and, usually, a metal oxide
  • branch to fishkill — (IBM: from the location of one of the corporation's facilities) Any unexpected jump in a program that produces catastrophic or just plain weird results. See jump off into never-never land, hyperspace.
  • british somaliland — a former British protectorate (1884–1960) in E Africa, on the Gulf of Aden: united with Italian Somaliland in 1960 to form Somalia (or the Somali Republic); in 1991 the self-styled republic of Somaliland, covering the same area as the former British Somaliland, declared itself independent and continues to function largely as a separate entity, though without international recognition
  • broken twill weave — a twill weave in which the direction of the diagonal produced by the weft threads is reversed after no more than two passages of the weft.
  • burkitt's lymphoma — a cancer characterized by tumors containing lymphoid cells, occurring esp. in children, in the jaw, eyes, and internal organs: it is associated with the Epstein-Barr virus
  • butler's sideboard — a sideboard, often with a fall front, having on its top a china cabinet with glazed doors.
  • calcium propionate — a white, water-soluble powder, CaC 6 H 10 O 4 , used in bakery products to inhibit the growth of fungi.
  • california current — a cold current originating in the northern part of the Pacific Ocean, flowing SE along the coast of W North America.
  • cape breton island — an island off SE Canada, in NE Nova Scotia, separated from the mainland by the Strait of Canso: its easternmost point is Cape Breton. Pop: 132 298 (2006). Area: 10 280 sq km (3970 sq miles)
  • carisbrooke castle — a castle near Newport on the Isle of Wight: Charles I was held prisoner here from 1647 until his execution in 1649
  • cartilaginous fish — any fish of the class Chondrichthyes, including the sharks, skates, and rays, having a skeleton composed entirely of cartilage
  • castration complex — an unconscious fear of having one's genitals removed, as a punishment for wishing to have sex with a parent
  • catalogue raisonne — a descriptive catalogue, esp one covering works of art in an exhibition or collection
  • categorial grammar — a theory that characterizes syntactic categories in terms of functions between classes of expressions. The basic classes are names (N) and sentences (S). Intransitive verbs are symbols for functions which take a name and yield a sentence (written S/N), adverbs form compound verbs from verbs (for example, run fast) and so are (S/N)/(S/N), etc
  • ceiling decoration — a plaster moulding for the centre of a ceiling; other decoration, such as coving
  • central projection — a projection of one plane onto a second plane such that a point on the first plane and its image on the second plane lie on a straight line through a fixed point not on either plane.
  • centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
  • checkpoint charlie — a crossing between East and West Berlin during the Cold War
  • chinese watermelon — a tropical Asian vine, Benincasa hispida, of the gourd family, having a brown, hairy stem, large, solitary, yellow flowers, and white, melonlike fruit.
  • chromolithographer — One engaged in chromolithography.
  • chromolithographic — Pertaining to, or made by, chromolithography.
  • circulatory system — the system concerned with the transport of blood and lymph, consisting of the heart, blood vessels, lymph vessels, etc
  • circumnavigational — Relating to circumnavigation.
  • citizen journalism — the involvement of non-professionals in reporting news, esp in blogs and other websites
  • claustrophobically — In a claustrophobic way.
  • closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
  • collection charges — the charges levied to cover expenses for the collection of debt
  • collision diameter — the distance between the centers of two colliding molecules when at their closest point of approach.
  • colonic irrigation — Colonic irrigation is a medical procedure in which a person's colon is washed by injecting water or other fluids into it.
  • commedia dell'arte — a form of popular comedy developed in Italy during the 16th to 18th centuries, with stock characters such as Punchinello, Harlequin, and Columbine, in situations improvised from a plot outline
  • commercial attache — an attaché in an embassy or legation representing the commercial interests of his or her country.
  • compartmentalizing — Present participle of compartmentalize.
  • complementarianism — The doctrine that genders in a society should have complementary roles.
  • complexity measure — (algorithm)   A quantity describing the complexity of a computation.
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