Part 1780

<h1>Chalazion</h1> <Xpage=237>

<hw>Cha*la"zi*on</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <?/ dim. of <?/ hail, pimple.]</ety> <fld>(Med.)</fld> <def>A small circumscribed tumor of the eyelid caused by retention of secretion, and by inflammation of the Melbomian glands.</def>

<h1>Chalcanthite</h1> <Xpage=237>

<hw>Chal*can"thite</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>chalcanthum</ets> a solution of blue vitriol, Gr. <?/.]</ety> <fld>(Min.)</fld> <def>Native blue vitriol. See <cref>Blue vitriol</cref>, under <er>Blue</er>.</def>

<h1>Chalcedonic</h1> <Xpage=237>

<hw>Chal"ce*don"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Of or pertaining to chalcedony.</def>

<h1>Chalcedony</h1> <Xpage=237>

<hw>Chal*ced"o*ny</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. <plw>Chalcedonies</plw> <tt>(#)</tt>.</plu> <ety>[ L. <ets>chalcedonius</ets>, fr. Gr. <?/ Chalcedon, a town in Asia Minor, opposite to Byzantium: cf. <ets>calc\'82doine</ets>, OE. <ets>calcidoine</ets>, <ets>casidoyne</ets>. Cf. <er>Cassidony</er>.]</ety> <fld>(Min.)</fld> <def>A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax.</def> <altsp>[Written also <asp>calcedony</asp>.]</altsp>

<note>&hand; When chalcedony is variegated with with spots or figures, or arranged in differently colored layers, it is called <i>agate</i>; and if by reason of the thickness, color, and arrangement of the layers it is suitable for being carved into cameos, it is called <i>onyx</i>. <i>Chrysoprase</i> is green chalcedony; <i>carnelian</i>, a flesh red, and <i>sard</i>, a brownish red variety.</note>

<h1>Chalchihuitl</h1> <Xpage=237>

<hw>Chal`chi*huitl</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Min.)</fld> <def>The Mexican name for turquoise. See <er>Turquoise</er>.</def>

<h1>Chalcid fly</h1> <Xpage=237>

<hw>Chal"cid fly`</hw> <tt>(?)</tt>. <ety>[From Gr. <?/ copper; in allusion to its color.]</ety> <fld>(Zo\'94l.)</fld> <def>One of a numerous family of hymenopterous insects (<spn>Chalcidid\'91</spn>. Many are gallflies, others are parasitic on insects.</def>

<h1>Chalcidian</h1> <Xpage=237>

<hw>Chal*cid"i*an</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>chalcis</ets> a lizard, Gr. <?/.]</ety> <fld>(Zo\'94l.)</fld> <def>One of a tropical family of snakelike lizards (<spn>Chalcid\'91</spn>), having four small or rudimentary legs.</def>

<h1>Chalcocite</h1> <Xpage=237>

<hw>Chal"co*cite</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ brass.]</ety> <fld>(Min.)</fld> <def>Native copper sulphide, called also <altname>copper glance</altname>, and <altname>vitreous copper</altname>; a mineral of a black color and metallic luster.</def> <altsp>[Formerly written <asp>chalcosine</asp>.]</altsp>

<h1>Chalcographer, Chalcographist</h1> <Xpage=237>

<hw><hw>Chal*cog"ra*pher</hw> <tt>(?)</tt>, <hw>Chal*cog"ra*phist</hw> <tt>(?)</tt>,<hw> <tt>n.</tt> <def>An engraver on copper or brass; hence, an engraver of copper plates for printing upon paper.</def>

<h1>Chalcography</h1> <Xpage=237>

<hw>Chal*cog"ra*phy</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ copper, brass + <ets>-graphy</ets>.]</ety> <def>The act or art of engraving on copper or brass, especially of engraving for printing.</def>

<h1>Chalcopyrite</h1> <Xpage=237>

<hw>Chal`co*pyr"ite</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ brass + E. <ets>pyrite</ets>. So named from its color.]</ety> <fld>(Min.)</fld> <def>Copper pyrites, or yellow copper ore; a common ore of opper, containing copper, iron, and sulphur. It occurs massive and in tetragonal crystals of a bright brass yellow color.</def>

<h1>Chaldaic</h1> <Xpage=237>

<hw>Chal*da"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>Chaldaicus</ets>.]</ety> <def>Of or pertaining to Chaldes.</def> -- <def2><tt>n.</tt> <def>The language or dialect of the Chaldeans; Chaldee.</def></def2>

<h1>Chaldaism</h1> <Xpage=237>

<hw>Chal"da*ism</hw> <tt>(?)</tt>, <tt>n.</tt> <def>An idiom or peculiarity in the Chaldee dialect.</def>

<h1>Chaldean</h1> <Xpage=237>