19-letter words containing c, r, i, o, a
- 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.
- contributing factor — something that is partly responsible for a development or phenomenon
- 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.
- 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.
- coronary thrombosis — A coronary thrombosis is the same as a coronary.
- 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
- 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.
- criminal psychology — study of criminals' minds
- criminal wrongdoing — the act of causing harm to a person or damage to his or her interests
- cross-fertilization — fertilization by the fusion of male and female gametes from different individuals of the same species
- 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
- 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
- dancing-lady orchid — any of numerous epiphytic orchids of the genus Oncidium, often grown as houseplants.
- 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.
- de-compartmentalize — to divide into categories or compartments.
- declaration of love — a statement made by one person to another in which they say they are in love with the other person
- deflate compression — deflate
- dendrochronological — Pertaining to dendrochronology.
- dental receptionist — a receptionist working in a dental surgery
- devil's coach-horse — a large black rove beetle, Ocypus olens, with large jaws and ferocious habits
- devils-on-horseback — a savoury of prunes wrapped in bacon slices and served on toast
- diamond ring effect — a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon.
- dictionary of names — a dictionary of given names that indicates whether a name is usually male, female, or unisex and often includes origins as well as meanings; for example, as by indicating that Evangeline, meaning “good news,” comes from Greek. Used primarily as an aid in selecting a name for a baby, dictionaries of names may also include lists of famous people who have shared a name and information about its current popularity ranking.
- dielectric constant — Electricity. the ratio of the flux density produced by an electric field in a given dielectric to the flux density produced by that field in a vacuum.