Part 2219

<hw><hw>Con*cen"ter</hw>, <hw>Con*cen"tre</hw><hw>, <tt>v. t.</tt> <def>To draw or direct to a common center; to bring together at a focus or point, as two or more lines; to concentrate.</def>

<blockquote>In thee <b>concentering</b> all their precious beams. <i>Milton.</i></blockquote>

<blockquote>All is <b>concentered</b> in a life intense. <i>Byren.</i></blockquote>

<h1>Concentrate</h1> <Xpage=294>

<hw>Con*cen"trate</hw> <tt>(? &or; ?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Concentrated</er>; <tt>p. pr. & vb. n.</tt> <er>Concentrating</er>.]</wordforms> <ety>[Pref. <ets>con-</ets> + L. <ets>centrum</ets> center. Cf. <er>Concenter</er>.]</ety> <p><b>1.</b> <def>To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix; <as>as, to <ex>concentrate</ex> rays of light into a focus; to <ex>concentrate</ex> the attention.</as></def>

<blockquote>(He) <b>concentrated</b> whole force at his own camp. <i>Motley.</i></blockquote>

<p><b>2.</b> <def>To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense; <as>as, to <ex>concentrate</ex> acid by evaporation; to <ex>concentrate</ex> by washing</as>; -- opposed to <ant>dilute</ant>.</def>

<blockquote>Spirit of vinegar <b>concentrated</b> and reduced to its greatest strength. <i>Arbuthnot.</i></blockquote>

<syn>Syn. -- To combine; to condense; to consolidate.</syn>

<h1>Concentrate</h1> <Xpage=294>

<hw>Con*cen"trate</hw> <tt>(? &or; ?)</tt>, <tt>v. i.</tt> <def>To approach or meet in a common center; to consolidate; <as>as, population tends to <ex>concentrate</ex> in cities</as>.</def>

<h1>Concentration</h1> <Xpage=294>

<hw>Con`cen*tra"tion</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>concentration</ets>.]</ety> <p><b>1.</b> <def>The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration.</def>

<blockquote><b>Concentration</b> of the lunar beams. <i>Boyle.</i></blockquote>

<blockquote>Intense <b>concetration</b> of thought. <i>Sir J. Herschel.</i></blockquote>

<p><b>2.</b> <def>The act or process of reducing the volume of a liquid, as by evaporation.</def>

<blockquote>The acid acquires a higher degree of <b>concentration</b>. <i>Knight.</i></blockquote>

<p><b>3.</b> <fld>(Metal.)</fld> <def>The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.</def>

<h1>Concentrative</h1> <Xpage=294>

<hw>Con*cen"tra*tive</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Serving or tending to concentrate; characterized by concentration.</def>

<blockquote>A discrimination is only possible by a <b>concentrative</b> act, or act of attention. <i>Sir W. Hamilton.</i></blockquote>

<h1>Concentrativeness</h1> <Xpage=294>

<hw>Con*cen"tra*tive*ness</hw>, <tt>n.</tt> <p><b>1.</b> <def>The quality of concentrating.</def>

<p><b>2.</b> <fld>(Phren.)</fld> <def>The faculty or propensity which has to do with concentrating the intellectual the intellectual powers.</def>

<i>Combe.</i>

<h1>Concentrator</h1> <Xpage=294>

<hw>Con"cen*tra`tor</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Mining)</fld> <def>An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air.</def>

<i>Knight.</i>