Part 3537

<hw>Dup"a*ble</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Capable of being duped.</def>

<h1>Dupe</h1> <Xpage=461>

<hw>Dupe</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[F., prob. from Prov. F. <ets>dupe</ets>, <ets>dube</ets>; of unknown origin; equiv. to F. <ets>huppe</ets> hoopoe, a foolish bird, easily caught. Cf. Armor. <ets>houp\'82rik</ets> hoopoe, a man easily deceived. Cf. also <er>Gull</er>, <er>Booby</er>.]</ety> <def>One who has been deceived or who is easily deceived; a gull; <as>as, the <ex>dupe</ex> of a schemer</as>.</def>

<h1>Dupe</h1> <Xpage=461>

<hw>Dupe</hw>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Duped</er> <tt>(?)</tt>; <tt>p. pr. & vb. n.</tt> <er>Duping</er>.]</wordforms> <ety>[Cf. F. <ets>duper</ets>, fr. <ets>dupe</ets>. See <er>Dupe</er>, <tt>n.</tt>]</ety> <def>To deceive; to trick; to mislead by imposing on one's credulity; to gull; <as>as, <ex>dupe</ex> one by flattery</as>.</def>

<blockquote>Ne'er have I <b>duped</b> him with base counterfeits. <i> Coleridge.</i></blockquote>

<h1>Duper</h1> <Xpage=461>

<hw>Dup"er</hw> <tt>(?)</tt>, <tt>n.</tt> <def>One who dupes another.</def>

<h1>Dupery</h1> <Xpage=461>

<hw>Dup"er*y</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[F. <ets>duperie</ets>, fr. <ets>duper</ets>.]</ety> <def>The act or practice of duping.</def> <mark>[R.]</mark>

<h1>Dupion</h1> <Xpage=461>

<hw>Du"pi*on</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[F. <ets>doupion</ets>, It. <ets>doppione</ets>, fr. <ets>doppio</ets> double, L. <ets>duplus</ets>. See <er>Double</er>, and cf. <er>Doubloon</er>.]</ety> <def>A double cocoon, made by two silkworms.</def>

<h1>Duple</h1> <Xpage=461>

<hw>Du"ple</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>duplus</ets>. See <er>Double</er>.]</ety> <def>Double.</def>

<cs><col>Duple ratio</col> <fld>(Math.)</fld>, <cd>that in which the antecedent term is double the consequent, as of 2 to 1, 8 to 4, etc.</cd></cs>

<h1>Duplex</h1> <Xpage=461>

<hw>Du"plex</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L., fr. <ets>duo</ets> two + <ets>plicare</ets> to fold. See <er>Two</er>, and <er>Complex</er>.]</ety> <def>Double; twofold.</def>

<cs><col>Duplex escapement</col>, <cd>a peculiar kind of watch escapement, in which the scape-wheel has two sets of teeth. See <er>Escapement</er>.</cd> -- <col>Duplex lathe</col>, <cd>one for turning off, screwing, and surfacing, by means of two cutting tools, on opposite sides of the piece operated upon.</cd> -- <col>Duplex pumping engine</col>, <cd>a steam pump in which two steam cylinders are placed side by side, one operating the valves of the other.</cd> -- <col>Duplex querela</col> <ety>[L., double complaint]</ety> <fld>(Eccl. Law)</fld>, <cd>a complaint in the nature of an appeal from the ordinary to his immediate superior, as from a bishop to an archbishop.</cd> <i>Mozley & W.</i> -- <col>Duplex telegraphy</col>, <cd>a system of telegraphy for sending two messages over the same wire simultaneously.</cd> -- <col>Duplex watch</col>, <cd>one with a duplex escapement.</cd></cs>

<h1>Duplicate</h1> <Xpage=461>

<hw>Du"pli*cate</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>duplicatus</ets>, p. p. of <ets>duplicare</ets> to double, fr. <ets>duplex</ets> double, twofold. See <er>Duplex</er>.]</ety> <def>Double; twofold.</def>

<cs><mcol><col>Duplicate proportion</col> &or; <col>ratio</col></mcol> <fld>(Math.)</fld>, <cd>the proportion or ratio of squares. Thus, in geometrical proportion, the first term to the third is said to be in a <i>duplicate<i> ratio of the first to the second, or as its square is to the square of the second. Thus, in 2, 4, 8, 16, the ratio of 2 to 8 is a <i>duplicate<i> of that of 2 to 4, or as the square of 2 is to the square of 4.</cd></cs>

<h1>Duplicate</h1> <Xpage=461>

<hw>Du"pli*cate</hw>, <tt>n.</tt>

<p><b>1.</b> <def>That which exactly resembles or corresponds to something else; another, correspondent to the first; hence, a copy; a transcript; a counterpart.</def>

<blockquote>I send a <b>duplicate</b> both of it and my last dispatch. <i> Sir W. Temple.</i></blockquote>

<p><b>2.</b> <fld>(Law)</fld> <def>An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original.</def>

<i>Burrill.</i>

<h1>Duplicate</h1> <Xpage=461>