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23-letter words containing u, d, c

  • discontinuous variation — variation in phenotypic traits in which types are grouped into discrete categories with few or no intermediate phenotypes. Compare continuous variation.
  • dishonourable discharge — dismissal from the US armed forces by a court martial as a result of serious misconduct
  • disjunctive normal form — (DNF) A logical formula consisting of a disjunction of conjunctions where no conjunction contains a disjunction. E.g. the DNF of (A or B) and C is (A and C) or (B and C).
  • duplication of the cube — the insoluble problem of constructing a cube having twice the volume of a given cube, using only a ruler and compass.
  • eastern orthodox church — Orthodox Church (def 1).
  • education correspondent — a journalist who reports news in the field of education or teaching
  • encapsulated postscript — (EPS) An extension of the PostScript graphics file format developed by Adobe Systems. EPS is used for PostScript graphics files that are to be incorporated into other documents. An EPS file includes pragmas (special PostScript comments) giving information such as the bounding box, page number and fonts used. On some computers, EPS files include a low resolution version of the PostScript image. On the Macintosh this is in PICT format, while on the IBM PC it is in TIFF or Microsoft Windows metafile format.
  • extrinsic semiconductor — a semiconductor into which a doping agent has been introduced, giving it different electrical properties than the intrinsic semiconductor
  • fluorochlorohydrocarbon — (organic chemistry) Any compound formally derived from a hydrocarbon by replacing some hydrogen atoms with fluorine and some with chlorine (at least one being retained).
  • friction reducing agent — A friction reducing agent is an additive used to reduce friction exerted downhole on tools and pipes.
  • fundamental interaction — any of the four basic interactions that occur in nature: the gravitational, electromagnetic, strong, and weak interactions
  • gamma-aminobutyric acid — GABA.
  • grand duchess charlotte — Grand Duchess (Charlotte Aldegonde Elise Marie Wilhelmine) 1896–1985, sovereign of Luxembourg 1919–64.
  • great black-backed gull — any of several white gulls, as Larus marinus (great black-backed gull) having a black back and wings.
  • have struck/hit paydirt — If you say that someone has struck paydirt or has hit paydirt, you mean that they have achieved sudden success or gained a lot of money very quickly.
  • heaviside unit function — the function that is zero for any number less than zero and that is 1 for any number greater than or equal to zero.
  • hunchback of notre dame — French Notre Dame de Paris. a novel (1831) by Victor Hugo.
  • hydrochlorofluorocarbon — Any of a class of inert compounds of carbon, hydrogen, hydrocarbons, chlorine, and fluorine, used in place of chlorofluorocarbons as being somewhat less destructive to the ozone layer.
  • in your stockinged feet — wearing stockings or socks but no shoes
  • industrial psychologist — a person who studies human behaviour and cognitive processes in relation to the working environment
  • inland marine insurance — insurance chiefly covering risks to goods and means of transportation involved in the transporting of goods overland or by inland waterways.
  • intrinsic semiconductor — an almost pure semiconductor to which no impurities have been added and in which the electron and hole densities are equal at thermal equilibrium
  • islamic fundamentalists — Muslims who believe in, advocate or support a conservative adherence to literal or traditional interpretations of the Qu'ran and the Sunnah
  • juan rodriguez cabrillo — Juan Rodríguez [rod-ree-ges] /rɒdˈri gɛs/ (Show IPA), (Joao Rodrigues Cabrilho) 1499?–1543, Spanish explorer, born in Portugal: discovered California.
  • light and shade surface — (in architectural shades and shadows) a surface in a plane tangent to the parallel rays from the theoretical light source, treated as a shade surface.
  • locally euclidean space — a topological space in which each point has a neighborhood that is homeomorphic to an open set in a Euclidean space of specified dimension.
  • lossy audio compression — (audio, compression)   Any audio compression algorithm which does not retain every bit of data but only reproduces a signal that sounds more or less like the original. Examples are MP1, MP2, MP3, AAC.
  • made out of whole cloth — completely fictitious or false; made up
  • message digest function — one-way hash function
  • mild mercurous chloride — calomel.
  • modern sequence dancing — a form of dancing in which ballroom dance steps are used as the basis of a wide variety of different dances typically performed in a sequence
  • multimedia compact disc — (storage)   (MMCD) A CD-ROM standard for storing 4.7 GB of data including video. MMCD is being developed by a large numer of computer manufacturers and is expected to be shipped in late 1996 or early 1997. Initially it will be aimed at the consumer market, then perhaps in CD-ROM format for computers, and maybe later on erasble CD.
  • multiplicative identity — an identity that when used to multiply a given element in a specified set leaves that element unchanged, as the number 1 for the real-number system.
  • murder in the cathedral — a verse drama (1935) by T. S. Eliot.
  • new product development — the process of developing new products for the market
  • non-destructive testing — Non-destructive testing is the examination of the quality of a component without changing it in any way.
  • nondisclosure agreement — a legal contract in which one or more parties agree to keep information, as a trade secret, confidential and protected for a specific amount of time. Abbreviation: NDA.
  • ordinary life insurance — life insurance with premiums paid throughout the lifetime of the insured.
  • orthodox eastern church — Eastern Orthodox Church
  • parasexual reproduction — reproduction by recombination of genes from genetically dissimilar nuclei within binucleate or multinucleate cells, as in filamentous fungi.
  • percentage distribution — a frequency distribution is which individual frequencies are shown as a percentage of the total frequencies
  • peroxymonosulfuric acid — persulfuric acid (def 1).
  • photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
  • plain old documentation — (text)   (pod, occasionally "POD") A simple markup language used to embed documentation, literate programming-style, in Perl programs. Pod readers and converters are part of the standard Perl distribution and the documentation provided with Perl is all in pod format.
  • potassium acid tartrate — cream of tartar.
  • product differentiation — the real or illusory distinction between competing products in a market
  • productivity bargaining — the process of reaching an agreement (productivity agreement) through collective bargaining whereby the employees of an organization agree to changes which are intended to improve productivity in return for an increase in pay or other benefits
  • professional misconduct — a violation of the rules or boundaries set by the governing body of a profession
  • profit and loss account — income account (def 2).
  • publicly-quoted company — a company whose shares are traded on a stock exchange
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