Part 2071

<h1>Coefficiency</h1> <Xpage=273>

<hw>Co`ef*fi"cien*cy</hw> <tt>(?)</tt>, <tt>n.</tt> <def>Joint efficiency; co\'94peration.</def>

<i>Glanvill.</i>

<h1>Coefficient</h1> <Xpage=273>

<hw>Co`ef*fi"cient</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Co\'94perating; acting together to produce an effect.</def>

<wordforms><wf>Co`ef*fi"cient*ly</wf>, <tt>adv.</tt></wordforms>

<h1>Coefficient</h1> <Xpage=273>

<hw>Co`ef*fi"cient</hw>, <tt>n.</tt> <p><b>1.</b> <def>That which unites in action with something else to produce the same effect.</def>

<p><b>2.</b> <ety>[Cf. F. <ets>coefficient</ets>.]</ety> <fld>(Math.)</fld> <def>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>as, 6<it>x</it>; <it>bx</it>; here 6 and <it>b</it> are <ex>coefficients</ex> of <it>x</it></as>.</def>

<p><b>3.</b> <fld>(Physics)</fld> <def>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>as, the <ex>coefficient</ex> of expansion; the <ex>coefficient</ex> of friction.</as></def>

<cs><col>Arbitrary coefficient</col> <fld>(Math.)</fld>, <cd>a literal coefficient placed arbitrarily in an algebraic, expression, the value of the coefficient being afterwards determined by the conditions of the problem.</cd></cs>

<h1>Coehorn</h1> <Xpage=273>

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

<h1>C\'d2lacanth</h1> <Xpage=273>

<hw>C\'d2l"a*canth</hw> <tt>(? or <?/)</tt>, <tt>a.</tt> <ety>[Gr. <?/ hollow + <?/ spine.]</ety> <fld>(Zo\'94l.)</fld> <def>Having hollow spines, as some ganoid fishes.</def>

<h1>C\'d2lentera &or; C\'d2lenterata</h1> <Xpage=273>

<hw><hw>C\'d2*len"te*ra</hw> <tt>(?)</tt> &or; <hw>C\'d2*len`te*ra"ta</hw>,<hw> <tt>n. pl.</tt> <ety>[NL., fr. Gr. <?/ hollow + <?/ intestines.]</ety> <fld>(Zo\'94l.)</fld> <def>A comprehensive group of Invertebrata, mostly marine, comprising the <spn>Anthozoa</spn>, <spn>Hydrozoa</spn>, and <spn>Ctenophora</spn>. The name implies that the stomach and body cavities are one. The group is sometimes enlarged so as to include the sponges.</def>

<h1>C\'d2lenterate</h1> <Xpage=273>

<hw>C\'d2*len"ter*ate</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Zo\'94l.)</fld> <def>Belonging to the C\'d2lentra.</def> -- <def2><tt>n.</tt> <def>One of the C\'d2lentera.</def></def2>

<h1>C\'d2lia</h1> <Xpage=273>

<hw>C\'d2"li*a</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <?/ a cavity of the body, a ventricle.]</ety> <fld>(Anat.)</fld> <def>A cavity.</def>

<note>&hand; The word is applied to the ventricles of the brain, the different venticles being indicated by prefixes like those characterizing the parts of the brain in which the cavities are found; as, <i>epic\'d2lia</i>, <i>mesoc\'d2lia</i>, <i>metac\'d2lia</i>, <i>proc\'d2lia</i>, etc.</note>

<i>B. G. Wilder.</i>

<h1>C\'d2liac, Celiac</h1> <Xpage=273>

<hw><hw>C\'d2"li*ac</hw>, <hw>Ce"li*ac</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <ety>[L. <ets>coeliacus</ets>, Gr. <?/, fr. <?/ belly, fr. <?/ hollow.]</ety> <def>Relating to the abdomen, or to the cavity of the abdomen.</def>

<cs><col>C\'d2liac artery</col> <fld>(Anat.)</fld>, <cd>the artery which issues from the aorta just below the diaphragm; -- called also <altname>c\'d2liac axis</altname>.</cd> -- <mcol><col>C\'d2liac flux</col>, <col>C\'d2liac passion</col></mcol> <fld>(Med.)</fld>, <cd>a chronic flux or diarrhea of undigested food.</cd></cs>

<h1>C\'d2lodont</h1> <Xpage=273>

<hw>C\'d2"lo*dont</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <?/ hollow + <?/, <?/, tooth.]</ety> <fld>(Zo\'94l.)</fld> <def>Having hollow teeth; -- said of a group lizards.</def> -- <def2><tt>n.</tt> <def>One of a group of lizards having hollow teeth.</def></def2>