19-letter words containing a, e, t, i, o
- contact insecticide — an insecticide that kills on contact, rather than after ingestion or absorption
- container transport — the transport of cargo in containers
- contemplative order — a religious order whose members are devoted to prayer rather than works.
- continental climate — a climate characterized by hot summers, cold winters, and little rainfall, typical of the interior of a continent
- continental cuisine — a style of cooking that includes the better-known dishes of various western European countries.
- continental glacier — a glacier that spreads out from a central mass
- continental seating — a theater seating plan in which there is no center aisle, but with wide spacing between each row of seats to allow for ease of passage.
- continued education — adult education.
- continuity equation — the mathematical statement in fluid mechanics that, for a fluid passing through a tube in a steady flow, the mass flowing through any section of the tube in a unit of time is constant.
- continuous creation — the theory that matter is being created continuously in the universe
- contour integration — integration in the complex plane about a closed curve of finite length.
- contra-guide rudder — a rudder having a horizontal offset of its upper and lower halves to improve the flow characteristics of the propeller race.
- contractile vacuole — a membrane-enveloped cellular organelle, found in many microorganisms, that periodically expands, filling with water, and then contracts, expelling its contents to the cell exterior: thought to be important in maintaining hydrostatic equilibrium.
- contradistinctively — In contradistinction.
- contradistinguished — Simple past tense and past participle of contradistinguish.
- contradistinguishes — Third-person singular simple present indicative form of contradistinguish.
- convective activity — any manifestation of convection in the atmosphere, as hail or thunderstorms.
- conventional memory — (storage) The first 640 kilobytes of an IBM PC's memory. Prior to EMS, XMS, and HMA, real mode application could use only this part of the memory.
- conventional weapon — a nonnuclear weapon.
- conventional wisdom — The conventional wisdom about something is the generally accepted view of it.
- conventionalization — to make conventional.
- conversational lisp — (language) (CLISP) A mixed English-like, ALGOL-like surface syntax for Interlisp.
- cooccurrence matrix — (mathematics) Given a position operator P(i,j), let A be a nxn matrix whose element A[i][j] is the number of times that points with grey level (intensity) g[i] occur, in the position specified by P, relative to points with grey level g[j]. Let C be the nxn matrix that is produced by dividing A with the total number of point pairs that satisfy P. C[i][j] is a measure of the joint probability that a pair of points satisfying P will have values g[i], g[j]. C is called a cooccurrence matrix defined by P. Examples for the operator P are: "i above j", "i one position to the right and two below j", etc.
- cooperative society — a commercial enterprise owned and managed by and for the benefit of customers or workers
- coordinate geometry — analytic geometry.
- coordination number — the number of coordinated species surrounding the central atom in a complex or crystal
- cordillera oriental — the eastern ranges of the Andes, in Bolivia, Colombia, and Peru.
- corporal punishment — Corporal punishment is the punishment of people by hitting them.
- corporate venturing — the provision of venture capital by one company for another in order to obtain information about the company requiring capital or as a step towards acquiring it
- corrosive sublimate — mercuric chloride
- counter reformation — the movement within the Roman Catholic Church that followed the Protestant Reformation of the 16th century.
- counter-advertising — the act or practice of calling public attention to one's product, service, need, etc., especially by paid announcements in newspapers and magazines, over radio or television, on billboards, etc.: to get more customers by advertising.
- counter-programming — to schedule (a broadcast on radio or television) to compete with one on another station.
- counter-reformation — the reform movement of the Roman Catholic Church in the 16th and early 17th centuries considered as a reaction to the Protestant Reformation
- countersurveillance — The art of evading surveillance.
- countervailing duty — an extra import duty imposed by a country on certain imports, esp to prevent dumping or to counteract subsidies in the exporting country
- creative accounting — Creative accounting is when companies present or organize their accounts in such a way that they gain money for themselves or give a false impression of their profits.
- cross-fertilization — fertilization by the fusion of male and female gametes from different individuals of the same species
- cuboidal epithelium — epithelium consisting of one or more layers of cells of cuboid or polyhedral shape.
- cult of personality — a cult promoting adulation of a living national leader or public figure, as one encouraged by Stalin to extend his power.
- cultivated mushroom — an edible mushroom (Agaricus bisporus) with a pale cap and stalk: the most common food mushroom
- cultural revolution — (in China) a mass movement (1965–68), in which the youthful Red Guard played a prominent part. It was initiated by Mao Tse-tung to destroy the power of the bureaucrats and to revolutionize the attitudes and behaviour of the people
- customs declaration — a form declaring the nature and value of goods, etc, for customs purposes
- customs regulations — the regulations relating to customs in a particular country
- data encryption key — (DEK) Used for the encryption of message text and for the computation of message integrity checks (signatures). See cryptography.
- data protection act — (legal) (DPA) A UK law guaranteeing rights to individuals in relation to personal data that others hold on them. For example, under the DPA, you have the right to see what data a company holds on you.
- datatron 200 series — (computer) A family of computers produced by Burroughs that included the Datatron 204 and Datatron 220.
- de broglie equation — the postulate of wave mechanics that a particle of mass m moving at a velocity v will have the properties of a wave of wavelength h / mv (de Broglie wavelength) where h is Planck's constant.
- de-compartmentalize — to divide into categories or compartments.
- de-internationalize — to make international, as in scope or character: a local conflict that was internationalized into a major war.