<hw>Ach`ro*ma*tic"i*ty</hw> <tt>(#)</tt>, <tt>n.</tt> <def>Achromatism.</def>
<h1>Achromatin</h1> <Xpage=15>
<hw>A*chro"ma*tin</hw> <tt>(#)</tt>, <tt>n.</tt> <fld>(Biol.)</fld> <def>Tissue which is not stained by fluid dyes.</def>
<i>W. Flemming.</i>
<h1>Achromatism</h1> <Xpage=15>
<hw>A*chro"ma*tism</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>achromatisme</ets>.]</ety> <def>The state or quality of being achromatic; <as>as, the <ex>achromatism</ex> of a lens</as>; achromaticity.</def>
<i>Nichol.</i>
<h1>Achromatization</h1> <Xpage=15>
<hw>A*chro`ma*ti*za"tion</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>achromatisation</ets>.]</ety> <def>The act or process of achromatizing.</def>
<h1>Achromatize</h1> <Xpage=15>
<hw>A*chro"ma*tize</hw> <tt>(#)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Achromatized</er> <tt>(#)</tt>; <tt>p. pr. & vb. n.</tt> <er>Achromatizing</er> <tt>(#)</tt>.]</wordforms> <ety>[Gr. <?/ priv. + <?/ color.]</ety> <def>To deprive of color; to make achromatic.</def>
<h1>Achromatopsy</h1> <Xpage=15>
<hw>A*chro"ma*top"sy</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Gr. <?/ priv. + <?/ color + <?/ sight.]</ety> <def>Color blindness; inability to distinguish colors; Daltonism.</def>
<h1>Achronic</h1> <Xpage=15>
<hw>A*chron"ic</hw> <tt>(#)</tt>, <tt>a.</tt> <def>See <er>Acronyc</er>.</def>
<h1>Achro\'94dextrin</h1> <Xpage=15>
<hw>Ach`ro*\'94*dex"trin</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Gr. <?/ colorless + E. <ets>dextrin</ets>.]</ety> <fld>(Physiol. Chem.)</fld> <def>Dextrin not colorable by iodine. See <er>Dextrin</er>.</def>
<h1>Achroous</h1> <Xpage=15>
<hw>Ach"ro*ous</hw> <tt>(#)</tt>, <tt>a.</tt> <ety>[Gr. <?/; <?/ priv. + <?/ color.]</ety> <def>Colorless; achromatic.</def>
<h1>Achylous</h1> <Xpage=15>
<hw>A*chy"lous</hw> <tt>(#)</tt>, <tt>a.</tt> <ety>[Gr. <?/ without juice.]</ety> <fld>(Physiol.)</fld> <def>Without chyle.</def>
<h1>Achymous</h1> <Xpage=15>
<hw>A*chy"mous</hw> <tt>(#)</tt>, <tt>a.</tt> <ety>[Gr. <?/ without juice.]</ety> <fld>(Physiol.)</fld> <def>Without chyme.</def>
<h1>Acicula</h1> <Xpage=15>
<hw>A*cic"u*la</hw> <tt>(#)</tt>, <tt>n.</tt>; <plu>pl. <plw>Acicul\'91</plw> <tt>(#)</tt></plu>. <ety>[L., a small needle, dimin. of <ets>acus</ets> needle.]</ety> <fld>(Nat. <i>Hist</i>.)</fld> <def>One of the needlelike or bristlelike spines or prickles of some animals and plants; also, a needlelike crystal.</def>
<h1>Acicular</h1> <Xpage=15>
<hw>A*cic"u*lar</hw> <tt>(#)</tt>, <tt>a.</tt> <def>Needle-shaped; slender like a needle or bristle, as some leaves or crystals; also, having sharp points like needless.</def>
<wordforms><wf>A*cic"u*lar*ly</wf>, <tt>adv</tt></wordforms>.
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