Part 350

<hw>Al*ter"na*cy</hw> <tt>(#)</tt>, <tt>n.</tt> <def>Alternateness; alternation.</def> <mark>[R.]</mark>

<i>Mitford.</i>

<h1>Alternant</h1> <Xpage=44>

<hw>Al*ter"nant</hw> <tt>(#)</tt>, <tt>a.</tt> <ety>[L. <ets>alternans</ets>, p. pr.: cf. F. <ets>alternant</ets>. See <er>Alternate</er>, <ets>v. t</ets>.]</ety> <fld>(Geol.)</fld> <def>Composed of alternate layers, as some rocks.</def>

<h1>Alternate</h1> <Xpage=44>

<hw>Al*ter"nate</hw> <tt>(?; 277)</tt>, <tt>a.</tt> <ety>[L. <ets>alternatus</ets>, p. p. of <ets>alternate</ets>, fr. <ets>alternus</ets>. See <er>Altern</er>, <er>Alter</er>.]</ety> <p><b>1.</b> <def>Being or succeeding by turns; one following the other in succession of time or place; by turns first one and then the other; hence, reciprocal.</def>

<blockquote>And bid <b>alternate</b> passions fall and rise. <i>Pope.</i></blockquote>

<p><b>2.</b> <def>Designating the members in a series, which regularly intervene between the members of another series, as the odd or even numbers of the numerals; every other; every second; <as>as, the <ex>alternate</ex> members 1, 3, 5, 7, etc.</as> ; read every <i>alternate</i> line.</def>

<p><b>3.</b> <fld>(Bot.)</fld> <def>Distributed, as leaves, singly at different heights of the stem, and at equal intervals as respects angular divergence.</def>

<i>Gray.</i>

<cs><col>Alternate alligation</col>. <cd>See <er>Alligation</er>.</cd> -- <col>Alternate angles</col> <fld>(Geom.)</fld>, <cd>the internal and angles made by two lines with a third, on opposite sides of it. It the parallels AB, CD, are cut by the line EF, the angles AGH, GHD, as also the angles BGH and GHC, are called <i>alternate angles<i>.</cd> -- <col>Alternate generation</col>. <fld>(Biol.)</fld> <cd>See under <er>Generation</er>.</cd></cs>

<h1>Alternate</h1> <Xpage=44>

<hw>Al*ter"nate</hw> <tt>(?; 277)</tt>, <tt>n.</tt> <p><b>1.</b> <def>That which alternates with something else; vicissitude.</def> <mark>[R.]</mark>

<blockquote>Grateful <b>alternates</b> of substantial. <i>Prior.</i></blockquote>

<p><b>2.</b> <def>A substitute; one designated to take the place of another, if necessary, in performing some duty.</def>

<p><b>3.</b> <fld>(Math.)</fld> <def>A proportion derived from another proportion by interchanging the means.</def>

<h1>Alternate</h1> <Xpage=44>

<hw>Al"ter*nate</hw> <tt>(?; 277)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Alternated</er>; <tt>p. pr. & vb. n.</tt> <er>Alternating</er>.]</wordforms> <ety>[L. <ets>alternatus</ets>, p. p. of <ets>alternare</ets>. See <er>Altern</er>.]</ety> <def>To perform by turns, or in succession; to cause to succeed by turns; to interchange regularly.</def>

<blockquote>The most high God, in all things appertaining unto this life, for sundry wise ends <b>alternates</b> the disposition of good and evil. <i>Grew.</i></blockquote>

<h1>Alternate</h1> <Xpage=44>

<hw>Al"ter*nate</hw>, <tt>v. i.</tt> <p><b>1.</b> <def>To happen, succeed, or act by turns; to follow reciprocally in place or time; -- followed by <i>with</i>; <as>as, the flood and ebb tides <ex>alternate</ex> with each other</as>.</def>

<blockquote>Rage, shame, and grief <b>alternate</b> in his breast. <i>J. Philips.</i></blockquote>

<blockquote>Different species <b>alternating</b> with each other. <i>Kirwan.</i></blockquote>

<p><b>2.</b> <def>To vary by turns; <as>as, the land <ex>alternates</ex> between rocky hills and sandy plains</as>.</def>

<h1>Alternately</h1> <Xpage=44>

<hw>Al*ter"nate*ly</hw> <tt>(#)</tt>, <tt>adv.</tt> <p><b>1.</b> <def>In reciprocal succession; succeeding by turns; in alternate order.</def>

<p><b>2.</b> <fld>(Math.)</fld> <def>By alternation; when, in a proportion, the antecedent term is compared with antecedent, and consequent.</def>

<h1>Alternateness</h1> <Xpage=44>