Part 1749

<h1>Centriscoid</h1> <Xpage=230>

<hw>Cen*tris"coid</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[NL. <ets>Centriscus</ets> (r. Gr. <?/ a kind of fish) + <ets>-oid</ets>.]</ety> <fld>(Zo\'94l.)</fld> <def>Allied to, or resembling, the genus <spn>Centriscus</spn>, of which the bellows fish is an example.</def>

<h1>Centrobaric</h1> <Xpage=230>

<hw>Cen`tro*bar"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. (<?/) <?/ a treatise of Archimedes on finding the center of gravity, fr. <?/ gravitating toward the center; <?/ center + <?/ weight.]</ety> <def>Relating to the center of gravity, or to the process of finding it.</def>

<cs><col>Centrobaric method</col> <fld>(Math.)</fld>, <cd>a process invented for the purpose of measuring the area or the volume generated by the rotation of a line or surface about a fixed axis, depending upon the principle that every figure formed by the revolution of a line or surface about such an axis has for measure the product of the line or surface by the length of the path of its center of gravity; -- sometimes called <altname>theorem of Pappus</altname>, also, incorrectly, <altname>Guldinus's properties</altname>. See <cref>Barycentric calculus</cref>, under <er>Calculus</er>.</cd></cs>

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<h1>Centrode</h1> <Xpage=233>

<hw>Cen"trode</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Kinematics)</fld> <def>In two figures having relative motion, one of the two curves which are the loci of the instantaneous center.</def>

<h1>Centroid</h1> <Xpage=233>

<hw>Cen"troid</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>centrum</ets> + <ets>-oid</ets>.]</ety> <def>The center of mass, inertia, or gravity of a body or system of bodies.</def>

<h1>Centrolecithal</h1> <Xpage=233>

<hw>Cen`tro*lec"i*thal</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <?/ center + <?/ yolk of an egg.]</ety> <fld>(Biol.)</fld> <def>Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal.</def>

<i>Balfour.</i>

<h1>Centrolinead</h1> <Xpage=233>

<hw>Cen`tro*lin"e*ad</hw> <tt>(?)</tt>, <tt>n.</tt> <def>An instrument for drawing lines through a point, or lines converging to a center.</def>

<h1>Centrolineal</h1> <Xpage=233>

<hw>Cen`tro*lin"e*al</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>centrum</ets> + <ets>linea</ets> line.]</ety> <def>Converging to a center; -- applied to lines drawn so as to meet in a point or center.</def>

<h1>Centrosome</h1> <Xpage=233>

<hw>Cen"tro*some`</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ center + -<?/ the body.]</ety> <fld>(Biol.)</fld> <def>A peculiar rounded body lying near the nucleus of a cell. It is regarded as the dynamic element by means of which the machinery of cell division is organized.</def>

<h1>Centrostaltic</h1> <Xpage=233>

<hw>Cen`tro*stal"tic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <?/ center + <?/ checking.]</ety> <fld>(Physiol.)</fld> <def>A term applied to the action of nerve force in the spinal center.</def>

<i>Marshall Hall.</i>

<h1>Centrum</h1> <Xpage=233>

<hw>Cen"trum</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. E. <plw>Centrums</plw> <tt>(#)</tt>, L. <plw>Centra</plw> <tt>(#)</tt>.</plu> <ety>[L., center.]</ety> <fld>(Anat.)</fld> <def>The body, or axis, of a vertebra. See <er>Vertebra</er>.</def>

<h1>Centry</h1> <Xpage=233>

<hw>Cen"try</hw> <tt>(?)</tt>, <tt>n.</tt> <def>See <er>Sentry</er>.</def> <mark>[Obs.]</mark>

<i>Gray.</i>

<h1>Centumvir</h1> <Xpage=233>