<h1>Attenuation</h1> <Xpage=99>
<hw>At*ten`u*a"tion</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[L. <ets>attenuatio</ets>: cf. F. <ets>att\'82nuation</ets>.]</ety> <p><b>1.</b> <def>The act or process of making slender, or the state of being slender; emaciation.</def>
<p><b>2.</b> <def>The act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases.</def>
<p><b>3.</b> <def>The process of weakening in intensity; diminution of virulence; <as>as, the <ex>attenuation</ex> of virus</as>.</def>
<h1>Atter</h1> <Xpage=99>
<hw>At"ter</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[AS. <ets>\'d6tter</ets>.]</ety> <def>Poison; venom; corrupt matter from a sore.</def> <mark>[Obs.]</mark>
<i>Holland.</i>
<h1>Attercop</h1> <Xpage=99>
<hw>At"ter*cop</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[AS. <ets>attercoppa</ets> a spider; <ets>\'d6tter</ets> poison + <ets>coppa</ets> head, cup.]</ety> <p><b>1.</b> <def>A spider.</def> <mark>[Obs.]</mark>
<p><b>2.</b> <def>A peevish, ill-natured person.</def> <mark>[North of Eng.]</mark>
<h1>Atterrate</h1> <Xpage=99>
<hw>At*ter*rate</hw> <tt>(#)</tt>, <tt>v. t.</tt> <ety>[It. <ets>atterrare</ets> (cf. LL. <ets>atterrare</ets> to cast to earth); L. <ets>ad + terra</ets> earth, land.]</ety> <def>To fill up with alluvial earth.</def> <mark>[Obs.]</mark>
<i>Ray.</i>
<h1>Atterration</h1> <Xpage=99>
<hw>At`ter*ra"tion</hw> <tt>(#)</tt>, <tt>n.</tt> <def>The act of filling up with earth, or of forming land with alluvial earth.</def> <mark>[Obs.]</mark>
<h1>Attest</h1> <Xpage=99>
<hw>At"test"</hw> <tt>(#)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Attested</er>; <tt>p. pr. & vb. n.</tt> <er>Attesting</er>.]</wordforms> <ety>[L. <ets>attestari</ets>; <ets>ad + testari</ets> to bear witness: cf. F. <ets>attester</ets>.]</ety> <p><b>1.</b> <def>To bear witness to; to certify; to affirm to be true or genuine; <as>as, to <ex>attest</ex> the truth of a writing, a copy of record</as>.</def>
<blockquote>Facts . . . <b>attested</b> by particular pagan authors. <i>Addison.</i></blockquote>
<p><b>2.</b> <def>To give proof of; to manifest; <as>as, the ruins of Palmyra <ex>attest</ex> its ancient magnificence</as>.</def>
<p><b>3.</b> <def>To call to witness; to invoke.</def> <mark>[Archaic]</mark>
<blockquote>The sacred streams which Heaven's imperial state <b>Attests</b> in oaths, and fears to violate. <i>Dryden.</i></blockquote>
<h1>Attest</h1> <Xpage=99>
<hw>At*test"</hw>, <tt>n.</tt> <def>Witness; testimony; attestation.</def> <mark>[R.]</mark>
<blockquote>The <b>attest</b> of eyes and ears. <i>Shak.</i></blockquote>
<h1>Attestation</h1> <Xpage=99>
<hw>At`tes*ta"tion</hw> <tt>(#)</tt>, <tt>n.</tt> <ety>[L. <ets>attestatio</ets>: cf. F. <ets>attestation</ets>.]</ety> <def>The act of attesting; testimony; witness; a solemn or official declaration, verbal or written, in support of a fact; evidence. The truth appears from the <i>attestation</i> of witnesses, or of the proper officer. The subscription of a name to a writing as a witness, is an <i>attestation</i>.</def>
<h1>Attestative</h1> <Xpage=99>
<hw>At*test"a*tive</hw> <tt>(#)</tt>, <tt>a.</tt> <def>Of the nature of attestation.</def>
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