Part 6100

<hw>I`sor*rop"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Gr. <grk>'iso`rropos</grk> in equipoise; <grk>'i`sos</grk> equal + <grk>"roph`</grk> downward inclination or momentum.]</ety> <def>Of equal value.</def>

<cs><col>Isorropic line</col> (in a diagram) <fld>(Geom.)</fld>, <cd>the locus of all the points for which a specified function has a constant value.</cd></cs>

<i>Newcomb.</i>

<h1>Isosceles</h1> <Xpage=792>

<hw>I*sos"ce*les</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L., fr. Gr. <?/; <grk>'i`sos</grk> equal + <?/ leg.]</ety> <fld>(Geom.)</fld> <def>Having two legs or sides that are equal; -- said of a triangle.</def>

<h1>Isospondyli</h1> <Xpage=792>

<hw>I`so*spon"dy*li</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <ety>[NL., fr. Gr. <grk>'i`sos</grk> equal + <?/, <?/, a vertebra.]</ety> <fld>(Zo\'94l.)</fld> <def>An extensive order of fishes, including the salmons, herrings, and many allied forms.</def>

<h1>Isospondylous</h1> <Xpage=792>

<hw>I`so*spon"dy*lous</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Zo\'94l.)</fld> <def>Of or pertaining to the Isospondyli; having the anterior vertebr\'91 separate and normal.</def>

<h1>Isosporic</h1> <Xpage=792>

<hw>I`so*spor"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Iso-</ets> + Gr. <?/ fruit.]</ety> <fld>(Bot.)</fld> <def>Producing but one kind of spore, as the ferns and Equiseta. Cf. <er>Heterosporic</er>.</def>

<h1>Isostemonous</h1> <Xpage=792>

<hw>I`so*stem"o*nous</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Iso-</ets> + Gr. <?/ thread.]</ety> <fld>(Bot.)</fld> <def>Having exactly as many stamens as petals.</def>

<h1>Isostemony</h1> <Xpage=792>

<hw>I`so*stem"o*ny</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Bot.)</fld> <def>The quality or state of being isostemonous.</def>

<h1>Isosulphocyanate</h1> <Xpage=792>

<hw>I`so*sul`pho*cy"a*nate</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Chem.)</fld> <def>A salt of isosulphocyanic acid.</def>

<h1>Isosulphocyanic</h1> <Xpage=792>

<hw>I`so*sul`pho*cy*an"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Chem.)</fld> <def>Pertaining to, or designating, an acid, <chform>HNCS</chform>, isomeric with sulphocyanic acid.</def>

<h1>Isotheral</h1> <Xpage=792>

<hw>I*soth"er*al</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Having the nature of an isothere; indicating the distribution of temperature by means of an isothere; <as>as, an <ex>isotheral</ex> chart or line</as>.</def>

<h1>Isothere</h1> <Xpage=792>

<hw>I"so*there</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Iso-</ets> + Gr. <?/ summer, <?/ to heat.]</ety> <fld>(Phys. Geog.)</fld> <def>A line connecting points on the earth's surface having the same mean summer temperature.</def>

<h1>Isotherm</h1> <Xpage=792>

<hw>I"so*therm</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Iso-</ets> + Gr. <?/ heat, fr. <?/ hot.]</ety> <fld>(Phys. Geog.)</fld> <def>A line connecting or marking points on the earth's surface having the same temperature. This may be the temperature for a given time of observation, or the mean temperature for a year or other period. Also, a similar line based on the distribution of temperature in the ocean.</def>

<h1>Isothermal</h1> <Xpage=792>

<hw>I`so*ther"mal</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[Cf. F. <ets>isotherme</ets>.]</ety> <sd>(a)</sd> <def>Relating to equality of temperature.</def> <sd>(b)</sd> <fld>(Phys. Geog.)</fld> <def>Having reference to the geographical distribution of temperature, as exhibited by means of isotherms; <as>as, an <ex>isothermal</ex> line; an <ex>isothermal</ex> chart.</as></def>

<cs><col>Isothermal line</col>. <sd>(a)</sd> <cd>An isotherm</cd>. <sd>(b)</sd> <cd>A line drawn on a diagram of energy such that its ordinates represent the pressures of a substance corresponding to various volumes, while the absolute temperature is maintained at a constant value.</cd> -- <col>Isothermal zones</col>, <cd>spaces on opposite sides of the equator having the same mean temperature, and bounded by corresponding isothermal lines.</cd></cs>