19-letter words containing r, i, c, e, o
- 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.
- convergent thinking — analytical, usually deductive, thinking in which ideas are examined for their logical validity or in which a set of rules is followed, e.g. in arithmetic
- conversational lisp — (language) (CLISP) A mixed English-like, ALGOL-like surface syntax for Interlisp.
- conversion disorder — a psychological disorder in which severe physical symptoms like blindness or paralysis appear with no apparent physical cause
- convulsive disorder — any of various types of epilepsy.
- 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
- corrections officer — A corrections officer is someone who works as a guard at a prison.
- 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-proposition — a proposition made in place of or in opposition to a preceding one.
- 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
- counterconditioning — the conditioning of a response that is incompatible with some previously learned response; for example, in psychotherapy an anxious person might be taught relaxation, which is incompatible with anxiety
- counterinsurgencies — Plural form of counterinsurgency.
- counterintelligence — Counterintelligence consists of actions that a country takes in order to find out whether another country is spying on it and to prevent it from doing so.
- counterpoint-rhythm — Music. the art of combining melodies.
- counterpoise bridge — another name for bascule bridge
- counterproductively — In a counterproductive way.
- 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
- county commissioner — a member of an elected governing board in the counties of certain states of the U.S.
- course requirements — the qualifications that are required for acceptance onto a degree course
- covered-dish supper — a meal to which guests contribute food, as casseroles.
- cox's orange pippin — a variety of eating apple with sweet flesh and a red-tinged green skin
- cracked compression — Cracked compression is a separation process for separating hydrocarbons further, with an increase in the pressure of the cracked gas.
- cracked gas cooling — Cracked gas cooling is a process in which the temperature of a cracked gas is reduced in order to separate it into different product streams.
- 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.
- credit someone with — to believe that someone has or is responsible for; ascribe to someone
- creeping cinquefoil — any of several plants belonging to the genus Potentilla, of the rose family, having yellow, red, or white five-petaled flowers, as P. reptans (creeping cinquefoil) of the Old World, or P. argentea (silvery cinquefoil) of North America.
- crinoline stretcher — (on a Windsor chair) a stretcher having an inwardly curved piece connecting the front legs, and connected to the back legs by short, straight pieces.
- cross one's fingers — to fold one finger across another in the hope of bringing good luck
- cross-fertilization — fertilization by the fusion of male and female gametes from different individuals of the same species
- crown green bowling — (in Britain) bowls played on a crown green
- cry over spilt milk — to lament something that cannot be altered
- cudgel one's brains — to think hard about a problem
- 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
- customer experience — Customer experience is what customers feel while shopping, affected by such factors as how a store is laid out, the level of service they receive, and how easy it is to find products.
- 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
- cyril of alexandria — Saint. ?375–444 ad, Christian theologian and patriarch of Alexandria. Feast day: June 27 or June 9
- data encryption key — (DEK) Used for the encryption of message text and for the computation of message integrity checks (signatures). See cryptography.