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21-letter words containing c, r

  • chief master sergeant — a solider of the highest enlisted rank in the US Air Force
  • chief warrant officer — a senior-ranking warrant officer in various armed forces
  • child-directed speech — baby talk (def 2).
  • chinese forget-me-not — an eastern Asian plant, Cynoglossum amabile, of the borage family, having lance-shaped leaves and clustered, showy, blue, pink, or white flowers.
  • chinese lantern plant — winter cherry (def 1).
  • chinese water torture — a form of torture in which water is made to drip for a long period of time onto a victim's forehead to drive him insane
  • chinese-lantern plant — a perennial ground-cherry (Physalis alkekengi) grown for winter bouquets because of the bladderlike red calyx that surrounds its small, tomatolike fruit
  • chink in one's armour — a small but fatal weakness
  • chloroformyl chloride — phosgene.
  • christmas decorations — decorations of different kinds appropriate to Christmas, such as tinsel, candles, images of angels, etc.
  • christmas tree packet — (networking)   (Or kamikaze packet) A packet with every single option set for whatever protocol is in use. The term doubtless derives from a fanciful image of each little option bit being represented by a different-coloured light bulb, all turned on. 10 points for correctly being able to process a "Kamikaze" packet (AKA nastygram, Christmas tree packet, lamp test segment, et al.). That is, correctly handle a segment with the maximum combination of features at once (e.g. a SYN URG PUSH FIN segment with options and data). Compare: Chernobyl packet.
  • church-rosser theorem — (theory)   A property of a reduction system that states that if an expression can be reduced by zero or more reduction steps to either expression M or expression N then there exists some other expression to which both M and N can be reduced. This implies that there is a unique normal form for any expression since M and N cannot be different normal forms because the theorem says they can be reduced to some other expression and normal forms are irreducible by definition. It does not imply that a normal form is reachable, only that if reduction terminates it will reach a unique normal form.
  • circle of convergence — Mathematics. a circle associated with a given power series such that the series converges for all values of the variable inside the circle and diverges for all values outside it.
  • circle of declination — hour circle.
  • circular polarization — electromagnetic radiation (esp light) in which the electric field vector describes a circle about the direction of propagation at any point in the path of the radiation
  • civil rights movement — campaign for human freedoms
  • civilian review board — a quasi-judicial board of appointed or elected citizens that investigates complaints against the police.
  • class-relation method — (programming)   A design technique based on the concepts of object-oriented programming and the Entity-Relationship model from the French company Softeam.
  • clayton antitrust act — an act of Congress in 1914 supplementing the Sherman Antitrust Act and establishing the FTC.
  • clayton-bulwer treaty — an agreement between the U.S. and Great Britain in 1850 guaranteeing that any canal built to connect the Atlantic and Pacific across Central America would be jointly controlled, open to all nations, and unfortified.
  • clearance certificate — permission for a ship to use, leave, or enter a port
  • clement of alexandria — Saint. original name Titus Flavius Clemens. ?150–?215 ad, Greek Christian theologian: head of the catechetical school at Alexandria; teacher of Origen. Feast day: Dec 5
  • clerk to the justices — (in England) a legally qualified person who sits in court with lay justices to advise them on points of law
  • clostridium difficile — Clostridium difficile is a bacterium that causes severe diarrhoea. It is commonly found in hospitals. C.diff is also used.
  • collective bargaining — When a trade union engages in collective bargaining, it has talks with an employer about its members' pay and working conditions.
  • college of propaganda — information, ideas, or rumors deliberately spread widely to help or harm a person, group, movement, institution, nation, etc.
  • collimator viewfinder — a type of viewfinder in a camera
  • collins street farmer — a businessman who invests in farms, land, etc
  • column address strobe — (hardware)   (CAS) A signal sent from a processor (or memory controller) to a dynamic random-access memory (DRAM) (qv) circuit to indicate that the column address lines are valid.
  • column chromatography — the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography) or a strip of filter paper (paper chromatography) or by a gel.
  • combination principle — Ritz combination principle.
  • come in from the cold — to come out of exile, isolation, etc.; resume an active role
  • comfortably-furnished — containing comfortable furniture
  • commercial fertilizer — fertilizer manufactured chemically, as distinguished from natural fertilizer, as manure.
  • commercial television — television companies which make money by selling advertising
  • commercial translator — (language)   An English-like pre-COBOL language for business data processing.
  • commission of inquiry — (in Britain) a group that is set up to investigate something
  • committal proceedings — a preliminary hearing in a magistrates' court to decide if there is a case to answer
  • committing magistrate — a magistrate who decides if there is enough evidence for a case to proceed
  • common carotid artery — the part of a carotid artery between its origin and its point of division into branches.
  • communications server — (operating system)   IBM's rebranding of ACF.
  • companionate marriage — a proposed system of trial marriage in which the couple would postpone having children and could be divorced by mutual consent, until a final decision to stay married is reached
  • comparative philology — comparative linguistics.
  • comparative statement — a financial statement with figures arranged in two or more parallel columns, each column representing a fiscal year or other period, used to compare performance between periods.
  • comparison microscope — a microscope having two objective lenses and using a system of prisms to form in one eyepiece adjacent images of two different objects.
  • compensation neurosis — an unconscious attempt to retain physical or psychological symptoms of illness when some advantage may be obtained (distinguished from malingering).
  • complete metric space — (theory)   A metric space in which every sequence that converges in itself has a limit. For example, the space of real numbers is complete by Dedekind's axiom, whereas the space of rational numbers is not - e.g. the sequence a[0]=1; a[n_+1]:=a[n]/2+1/a[n].
  • completing the square — a method, usually of solving quadratic equations, by which a quadratic expression, as x 2 − 4 x + 3, is written as the sum or difference of a perfect square and a constant, x 2 − 4 x + 4 + 3 − 4 = (x − 2) 2 − 1, by addition and subtraction of appropriate constant terms.
  • composition of forces — the combination, by vector algebra, of two or more forces into a single equivalent force (the resultant)
  • computer aided design — (application)   (CAD) The part of CAE concerning the drawing or physical layout steps of engineering design. Often found in the phrase "CAD/CAM" for ".. manufacturing".
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