Part 3890

<blockquote>A column of air . . . <b>equiponderant</b> to a column of quicksilver. <i>Locke.</i></blockquote>

<h1>Equiponderate</h1> <Xpage=504>

<hw>E`qui*pon"der*ate</hw> <tt>(?)</tt>, <tt>v. i.</tt> <ety>[<ets>Equi-</ets> + L. <ets>ponderare</ets> to weigh. See <er>Ponderate</er>.]</ety> <def>To be equal in weight; to weigh as much as another thing.</def>

<i>Bp. Wilkins.</i>

<h1>Equiponderate</h1> <Xpage=504>

<hw>E`qui*pon"der*ate</hw>, <tt>v. t.</tt> <def>To make equal in weight; to counterbalance.</def> "More than <i>equiponderated</i> the declension in that direction."

<i>De Quincey.</i>

<h1>Equiponderous</h1> <Xpage=504>

<hw>E`qui*pon"der*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Equi-</ets> + L. <ets>pondus</ets>, <ets>ponderis</ets>, weight.]</ety> <def>Having equal weight.</def>

<i>Bailey.</i>

<h1>Equipondious</h1> <Xpage=504>

<hw>E`qui*pon"di*ous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>aequipondium</ets> an equal weight; <ets>aequus</ets> equal + <ets>pondus</ets> weight.]</ety> <def>Of equal weight on both sides; balanced.</def> <mark>[Obs.]</mark>

<i>Glanvill.</i>

<h1>Equipotential</h1> <Xpage=504>

<hw>E`qui*po*ten"tial</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Equi-</ets> + <ets>potential</ets>.]</ety> <fld>(Mech. & Physics)</fld> <def>Having the same potential.</def>

<cs><col>Equipotential surface</col>, <cd>a surface for which the potential is for all points of the surface constant. Level surfaces on the earth are <i>equipotential<i>.</cd></cs>

<h1>Equiradical</h1> <Xpage=504>

<hw>E`qui*rad"i*cal</hw> <tt>(?)</tt> <tt>a.</tt> <ety>[<ets>Equi-</ets> + <ets>radical</ets>.]</ety> <def>Equally radical.</def> <mark>[R.]</mark>

<i>Coleridge.</i>

<h1>Equirotal</h1> <Xpage=504>

<hw>E`qui*ro"tal</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Equi-</ets> + L. <ets>rota</ets> wheel.]</ety> <def>Having wheels of the same size or diameter; having equal rotation.</def> <mark>[R.]</mark>

<h1>Equisetaceous</h1> <Xpage=504>

<hw>E`qui*se*ta"ceous</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Bot.)</fld> <def>Belonging to the <i>Equisetace\'91</i>, or Horsetail family.</def>

<h1>Equisetiform</h1> <Xpage=504>

<hw>E`qui*set"i*form</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Equisetum-</ets> + <ets>-form</ets>.]</ety> <fld>(Bot.)</fld> <def>Having the form of the equisetum.</def>

<h1>Equisetum</h1> <Xpage=504>

<hw>Eq`ui*se"tum</hw> <tt>(?)</tt>, <tt>n.</tt>; <plu>pl. <plw>Equiseta</plw> <tt>(#)</tt></plu>. <ety>[L., the horsetail, fr. <ets>equus</ets> horse + <ets>seta</ets> a thick,, stiff hair, bristle.]</ety> <fld>(Bot.)</fld> <def>A genus of vascular, cryptogamic, herbaceous plants; -- also called <altname>horsetails</altname>.</def>

<note>&hand; The <spn>Equiseta</spn> have hollow jointed stems and no true leaves. The cuticle often contains siliceous granules, so that one species (<spn>E. hyemale</spn>) is used for scouring and polishing, under the name of <i>Dutch rush</i> or <i>scouring rush</i>.</note>