Part 329

Cod" liv`er (?), n. The liver of the common cod and allied species.

Cod-liver oil, an oil obtained from the liver of the codfish, and used extensively in medicine as a means of supplying the body with fat in cases of malnutrition.

Cod"piece` (?), n. [Cod, n., &?; + piece.] A part of male dress in front of the breeches, formerly made very conspicuous. Shak. Fosbroke.

Cť*cil"i*an (?), n. (Zo÷l.) See CŠcilian.

Co*ed`u*ca"tion (?; 135), n. An educating together, as of persons of different sexes or races.

Co*ed`u*ca"tion*al (&?;), a.

Co*ef"fi*ca*cy (?), n. Joint efficacy.

Co`ef*fi"cien*cy (?), n. Joint efficiency; co÷peration. Glanvill.

Co`ef*fi"cient (?), a. Co÷perating; acting together to produce an effect.

Co`ef*fi"cient*ly, adv.

Co`ef*fi"cient, n. 1. That which unites in action with something else to produce the same effect.

2. [Cf. F. coefficient.] (Math.) A number or letter put before a letter or quantity, known or unknown, to show how many times the latter is to be taken; as, 6x; bx; here 6 and b are coefficients of x.

3. (Physics) A number, commonly used in computation as a factor, expressing the amount of some change or effect under certain fixed conditions as to temperature, length, volume, etc.; as, the coefficient of expansion; the coefficient of friction.

Arbitrary coefficient (Math.), a literal coefficient placed arbitrarily in an algebraic expression, the value of the coefficient being afterwards determined by the conditions of the problem.

Coe"horn (?), n. [From its inventor, Baron Coehorn.] (Mil.) A small bronze mortar mounted on a wooden block with handles, and light enough to be carried short distances by two men.

Cťl"a*canth (? or &?;), a. [Gr. koi^los hollow + &?; spine.] (Zo÷l.) Having hollow spines, as some ganoid fishes.

{ ||Cť*len"te*ra (?) or ||Cť*len`te*ra"ta, } n. pl. [NL., fr. Gr. koi^los hollow + &?; intestines.] (Zo÷l.) A comprehensive group of Invertebrata, mostly marine, comprising the Anthozoa, Hydrozoa, and Ctenophora. The name implies that the stomach and body cavities are one. The group is sometimes enlarged so as to include the sponges.

Cť*len"ter*ate (?), a. (Zo÷l.) Belonging to the Cťlentera. -- n. One of the Cťlentera.

||Cť"li*a (?), n. [NL., fr. Gr. &?; a cavity of the body, a ventricle.] (Anat.) A cavity.

&fist; The word is applied to the ventricles of the brain, the different ventricles being indicated by prefixes like those characterizing the parts of the brain in which the cavities are found; as, epicťlia, mesocťlia, metacťlia, procťlia, etc. B. G. Wilder.

{ Cť"li*ac, Ce"li*ac (?), } a. [L. coeliacus, Gr. &?;, fr. &?; belly, fr. koi^los hollow.] Relating to the abdomen, or to the cavity of the abdomen.

Cťliac artery (Anat.), the artery which issues from the aorta just below the diaphragm; -- called also cťliac axis. -- Cťliac flux, Cťliac passion (Med.), a chronic flux or diarrhea of undigested food.

Cť"lo*dont (?), a. [Gr. koi^los hollow + &?;, &?;, tooth.] (Zo÷l.) Having hollow teeth; -- said of a group lizards. -- n. One of a group of lizards having hollow teeth.

Cťl`o*sper"mous (? or &?;), a. [Gr. koi^los hollow + &?; seed.] (Bot.) Hollow-seeded; having the ventral face of the seedlike carpels incurved at the ends, as in coriander seed.

||Cť"lum (?), n. [NL., fr. Gr. &?; a hollow, neut. of koi^los hollow.] (Anat.) See Body cavity, under Body.

Co*emp"tion (?; 215), n. [L. coŰmptio, fr. coŰmere to buy up. See Emption.] The act of buying the whole quantity of any commodity. [R.] Bacon.

||Co*en"doo (?), n. [Native name.] (Zo÷l.) The Brazilian porcupine (Cercolades, or Sphingurus, prehensiles), remarkable for its prehensile tail.

{ Cť*nen"chym (?), ||Cť*nen"chy*ma (?) } n. [NL. coenenchyma, fr. Gr. koino`s common + &?; something poured in. Formed like parenchyma.] (Zo÷l.) The common tissue which unites the polyps or zooids of a compound anthozoan or coral. It may be soft or more or less ossified. See Coral.