Part 633

<hw>Ar"is*to`tle's lan"tern</hw> <tt>(#)</tt>. <fld>(Zo\'94l.)</fld> <def>The five united jaws and accessory ossicles of certain sea urchins.</def>

<h1>Aristulate</h1> <Xpage=81>

<hw>A*ris"tu*late</hw> <tt>(?; 135)</tt>, <tt>a.</tt> <ety>[Dim. fr. <ets>arista</ets>.]</ety> <fld>(Bot.)</fld> <def>Pertaining a short beard or awn.</def>

<i>Gray.</i>

<h1>Arithmancy</h1> <Xpage=81>

<hw>Ar"ith*man`cy</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Gr. <?/ number + <ets>-mancy</ets>.]</ety> <def>Divination by means of numbers.</def>

<h1>Arithmetic</h1> <Xpage=81>

<hw>A*rith"me*tic</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[OE. <ets>arsmetike</ets>, OF. <ets>arismetique</ets>, L. <ets>arithmetica</ets>, fr. Gr. <?/ (sc. <?/), fr. <?/ arithmetical, fr. <?/ to number, fr. <?/ number, prob. fr. same root as E. <ets>arm</ets>, the idea of counting coming from that of fitting, attaching. See <er>Arm</er>. The modern Eng. and French forms are accommodated to the Greek.]</ety> <p><b>1.</b> <def>The science of numbers; the art of computation by figures.</def>

<p><b>2.</b> <def>A book containing the principles of this science.</def>

<cs><col>Arithmetic of sines</col>, <cd>trigonometry.</cd> -- <col>Political arithmetic</col>, <cd>the application of the science of numbers to problems in civil government, political economy, and social science.</cd> -- <col>Universal arithmetic</col>, <cd>the name given by Sir Isaac Newton to algebra.</cd></cs>

<h1>Arithmetical</h1> <Xpage=81>

<hw>Ar`ith*met"ic*al</hw> <tt>(#)</tt>, <tt>a.</tt> <def>Of or pertaining to arithmetic; according to the rules or method of arithmetic.</def>

<cs><col>Arithmetical complement of a logarithm</col>. <cd>See <er>Logarithm</er>.</cd> -- <col>Arithmetical mean</col>. <cd>See <er>Mean</er>.</cd> -- <col>Arithmetical progression</col>. <cd>See <er>Progression</er>.</cd> -- <col>Arithmetical proportion</col>. <cd>See <er>Proportion</er>.</cd></cs>

<h1>Arithmetically</h1> <Xpage=81>

<hw>Ar`ith*met"ic*al*ly</hw>, <tt>adv.</tt> <def>Conformably to the principles or methods of arithmetic.</def>

<h1>Arithmetician</h1> <Xpage=81>

<hw>A*rith`me*ti"cian</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>arithm\'82ticien</ets>.]</ety> <def>One skilled in arithmetic.</def>

<h1>Arithmomancy</h1> <Xpage=81>

<hw>A*rith"mo*man"cy</hw> <tt>(#)</tt>, <tt>n.</tt> <def>Arithmancy.</def>

<h1>Arithmometer</h1> <Xpage=81>

<hw>Ar`ith*mom"e*ter</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[Gr. <?/ number + <ets>-meter</ets>: cf. F. <ets>arithmom\'8atre</ets>.]</ety> <def>A calculating machine.</def>

<h1>Ark</h1> <Xpage=81>

<hw>Ark</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[OE. <ets>ark</ets>, <ets>arke</ets>, <ets>arche</ets>, AS. <ets>arc</ets>, <ets>earc</ets>, <ets>earce</ets>, fr. L. <ets>arca</ets>, fr. <ets>arcere</ets> to inclose, keep off; akin to Gr. <?/ to keep off.]</ety> <p><b>1.</b> <def>A chest, or coffer.</def> <mark>[Obs.]</mark>

<blockquote>Bearing that precious relic in an <b>ark</b>. <i>Spenser.</i></blockquote>

<p><b>2.</b> <fld>(Jewish Hist.)</fld> <def>The oblong chest of acacia wood, overlaid with gold, which supported the mercy seat with its golden cherubs, and occupied the most sacred place in the sanctuary. In it Moses placed the two tables of stone containing the ten commandments. Called also the <altname>Ark of the Covenant</altname>.</def>

<p><b>3.</b> <def>The large, chestlike vessel in which Noah and his family were preserved during the Deluge. <i>Gen. vi</i>. Hence: Any place of refuge.</def>

<p><b>4.</b> <def>A large flatboat used on Western American rivers to transport produce to market.</def>

<h1>Arkite</h1> <Xpage=81>