<hw>Du`o*dec"i*mal</hw>, <tt>n.</tt>
<p><b>1.</b> <def>A twelfth part; <as>as, the <ex>duodecimals</ex> of an inch</as>.</def>
<p><b>2.</b> <pluf>pl.</pluf> <fld>(Arch.)</fld> <def>A system of numbers, whose denominations rise in a scale of twelves, as of feet and inches. The system is used chiefly by artificers in computing the superficial and solid contents of their work.</def>
<h1>Duodecimfid</h1> <Xpage=461>
<hw>Du`o*dec"im*fid</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>duodecim</ets> twelve + <ets>findere</ets> to cleave.]</ety> <def>Divided into twelve parts.</def>
<h1>Duodecimo</h1> <Xpage=461>
<hw>Du`o*dec"i*mo</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>in duodecimo</ets> in twelfth, fr. <ets>duodecimus twelfth</ets>, <ets>fr</ets>. <ets>duodecim</ets> twelve. See <er>Dozen</er>.]</ety> <def>Having twelve leaves to a sheet; <as>as, a <ex>duodecimo</ex> from, book, leaf, size, etc.</as></def>
<h1>Duodecimo</h1> <Xpage=461>
<hw>Du*o*dec"i*mo</hw>, <tt>n.</tt>; <plu>pl. <plw>Duodecimos</plw> <tt>(<?/)</tt>.</plu> <def>A book consisting of sheets each of which is folded into twelve leaves; hence, indicating, more or less definitely, a size of a book; -- usually written 12mo or 12°.</def>
<h1>Duodecuple</h1> <Xpage=461>
<hw>Du`o*dec"u*ple</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>duo</ets> two + <?/ <ets>decuple</ets>.]</ety> <def>Consisting of twelves.</def>
<i>Arbuthnot.</i>
<h1>Duodenal</h1> <Xpage=461>
<hw>Du`o*de"nal</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Cf. F. <ets>duod\'82nal</ets>.]</ety> <def>Of or pertaining to the duodenum; <as>as, <ex>duodenal</ex> digestion</as>.</def>
<h1>Duodenary</h1> <Xpage=461>
<hw>Du`o*den"a*ry</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>duodenarius</ets>, fr. <ets>duodeni</ets> twelve each: cf. F. <ets>duod\'82naire</ets>.]</ety> <def>Containing twelve; twelvefold; increasing by twelves; duodecimal.</def>
<h1>Duodenum</h1> <Xpage=461>
<hw>Du`o*de"num</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[NL., fr. <ets>duodeni</ets> twelve each: cf. F. <ets>duodenum</ets>. So called because its length is about twelve fingers' breadth.]</ety> <fld>(Anat.)</fld> <def>The part of the small intestines between the stomach and the jejunum. See <i>Illust</i>. of <i>Digestive apparatus</i>, under <er>Digestive</er>.</def>
<h1>Duoliteral</h1> <Xpage=461>
<hw>Du`o*lit"er*al</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>duo</ets> two + E. <ets>literal</ets>.]</ety> <def>Consisting of two letters only; biliteral.</def>
<i>Stuart.</i>
<h1>Duomo</h1> <Xpage=461>
<hw>Duo"mo</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[It. See <er>Done</er>.]</ety> <def>A cathedral. See <er>Dome</er>, 2.</def>
<blockquote>Of tower or <b>duomo</b>, sunny sweet. <i>Tennyson.</i></blockquote>
<h1>Dup</h1> <Xpage=461>
<hw>Dup</hw> <tt>(?)</tt>, <tt>v. t.</tt> <ety>[Contr. fr. <ets>do up</ets>, that is, to lift up the latch. Cf. <er>Don</er>, <er>Doff</er>.]</ety> <def>To open; <as>as, to <ex>dup</ex> the door</as>.</def> <mark>[Obs.]</mark>
<i>Shak.</i>
<h1>Dupable</h1> <Xpage=461>
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