Part 587

<hw>Apt"i*tude</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[F. <ets>aptitude</ets>, LL. <ets>aptitudo</ets>, fr. L. <ets>aptus</ets>. See <er>Apt</er>, and cf. <er>Attitude</er>.]</ety> <p><b>1.</b> <def>A natural or acquired disposition or capacity for a particular purpose, or tendency to a particular action or effect; <as>as, oil has an <ex>aptitude</ex> to burn</as>.</def>

<blockquote>He seems to have had a peculiar <b>aptitude</b> for the management of irregular troops. <i>Macaulay.</i></blockquote>

<p><b>2.</b> <def>A general fitness or suitableness; adaptation.</def>

<blockquote>That sociable and helpful <b>aptitude</b> which God implanted between man and woman. <i>Milton.</i></blockquote>

<p><b>3.</b> <def>Readiness in learning; docility; aptness.</def>

<blockquote>He was a boy of remarkable <b>aptitude</b>. <i>Macaulay.</i></blockquote>

<h1>Aptitudinal</h1> <Xpage=75>

<hw>Apt`i*tu"di*nal</hw> <tt>(#)</tt>, <tt>a.</tt> <def>Suitable; fit.</def> <mark>[Obs.]</mark>

<h1>Aptly</h1> <Xpage=75>

<hw>Apt"ly</hw> <tt>(#)</tt>, <tt>adv.</tt> <def>In an apt or suitable manner; fitly; properly; pertinently; appropriately; readily.</def>

<h1>Aptness</h1> <Xpage=75>

<hw>Apt"ness</hw>, <tt>n.</tt> <p><b>1.</b> <def>Fitness; suitableness; appropriateness; <as>as, the <ex>aptness</ex> of things to their end</as>.</def>

<blockquote>The <b>aptness</b> of his quotations. <i>J. R. Green.</i></blockquote>

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<p><b>2.</b> <def>Disposition of the mind; propensity; <as>as, the <ex>aptness</ex> of men to follow example</as>.</def>

<p><b>3.</b> <def>Quickness of apprehension; readiness in learning; docility; <as>as, an <ex>aptness</ex> to learn is more observable in some children than in others</as>.</def>

<p><b>4.</b> <def>Proneness; tendency; <as>as, the <ex>aptness</ex> of iron to rust</as>.</def>

<h1>Aptote</h1> <Xpage=76>

<hw>Ap"tote</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[L. <ets>aptotum</ets>, Gr. <?/ indeclinable; <?/ priv. + <?/ fallen, declined, <?/ to fall.]</ety> <fld>(Gram.)</fld> <def>A noun which has no distinction of cases; an indeclinable noun.</def>

<h1>Aptotic</h1> <Xpage=76>

<hw>Ap*tot"ic</hw> <tt>(#)</tt>, <tt>a.</tt> <def>Pertaining to, or characterized by, aptotes; uninflected; <as>as, <ex>aptotic</ex> languages</as>.</def>

<h1>Aptychus</h1> <Xpage=76>

<hw>Ap"ty*chus</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <?/ priv. + <?/, <?/, fold.]</ety> <fld>(Zo\'94l.)</fld> <def>A shelly plate found in the terminal chambers of ammonite shells. Some authors consider them to be jaws; others, opercula.</def>

<h1>Apus</h1> <Xpage=76>

<hw>A"pus</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[NL., fr. Gr. <?/. See <er>Apode</er>, <tt>n.</tt>]</ety> <fld>(Zo\'94l.)</fld> <def>A genus of fresh-water phyllopod crustaceans. See <er>Phyllopod</er>.</def>

<h1>Apyretic</h1> <Xpage=76>

<hw>Ap`y*ret"ic</hw> <tt>(#)</tt>, <tt>a.</tt> <ety>[Pref. <ets>a<?/</ets> not + <ets>pyretic</ets>.]</ety> <fld>(Med.)</fld> <def>Without fever; -- applied to days when there is an intermission of fever.</def>

<i>Dunglison.</i>