Part 6089

<h1>Isatin</h1> <Xpage=790>

<hw>I"sa*tin</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[See <er>Isatis</er>.]</ety> <fld>(Chem.)</fld> <def>An orange-red crystalline substance, <chform>C8H5NO2</chform>, obtained by the oxidation of indigo blue. It is also produced from certain derivatives of benzoic acid, and is one important source of artificial indigo.</def> <altsp>[Written also, less properly, <asp>isatine</asp>.]</altsp>

<h1>Isatis</h1> <Xpage=790>

<hw>I"sa*tis</hw> <tt>(?; 277)</tt>, <tt>n.</tt> <ety>[L., a kind of plant, Gr. <?/ woad.]</ety> <fld>(Bot.)</fld> <def>A genus of herbs, some species of which, especially the <spn>Isatis tinctoria</spn>, yield a blue dye similar to indigo; woad.</def>

<h1>Isatogen</h1> <Xpage=790>

<hw>I*sat"o*gen</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Isat</ets>in + -<ets>gen</ets>.]</ety> <fld>(Chem.)</fld> <def>A complex nitrogenous radical, <chform>C8H4NO2</chform>, regarded as the essential residue of a series of compounds, related to isatin, which easily pass by reduction to indigo blue.</def> -- <wordforms><wf>I*sat`o*gen"ic</wf> <tt>(#)</tt>, <tt>a.</tt> </wordforms>

<h1>Isatropic</h1> <Xpage=790>

<hw>I`sa*trop"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Is-</ets> + <ets>atrop</ets>ine.]</ety> <fld>(Chem.)</fld> <def>Pertaining to, or designating, an acid obtained from atropine, and isomeric with cinnamic acid.</def>

<h1>Ischias</h1> <Xpage=790>

<hw>Is"chi*as</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Anat.)</fld> <def>See <er>Ischial</er>.</def>

<h1>Ischiadic</h1> <Xpage=790>

<hw>Is`chi*ad"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[L. <ets>ischiadicus</ets>, Gr. <?/, fr. <?/ the hip joint, hip or loin. Cf. <er>Sciatic</er>.]</ety> <fld>(Anat.)</fld> <def>Ischial.</def> <mark>[R.]</mark>

<cs><mcol><col>Ischiadic</col> <col>passion &or; disease</col></mcol> <fld>(Med.)</fld>, <cd>a rheumatic or neuralgic affection of some part about the hip joint; -- called also <altname>sciatica</altname>.</cd></cs>

<h1>Ischial</h1> <Xpage=790>

<hw>Is"chi*al</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Anat.)</fld> <def>Of or pertaining to the ischium or hip; ischiac; ischiadic; ischiatic.</def>

<cs><col>Ischial callosity</col> <fld>(Zo\'94l.)</fld>, <cd>one of the patches of thickened hairless, and often bright-colored skin, on the buttocks of many apes, as the drill.</cd></cs>

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<h1>Ischiatic</h1> <Xpage=791>

<hw>Is`chi*at"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Anat.)</fld> <def>Same as <er>Ishial</er>.</def>

<h1>Ischiocapsular</h1> <Xpage=791>

<hw>Is`chi*o*cap"su*lar</hw> <tt>(?; 135)</tt> <tt>a.</tt> <ety>[<ets>Ischium</ets> + <ets>capsular</ets>.]</ety> <fld>(Anat.)</fld> <def>Of or pertaining to the ischium and the capsule of the hip joint; <as>as, the <ex>ischiocapsular</ex> ligament</as>.</def>

<h1>Ischiocerite</h1> <Xpage=791>

<hw>Is`chi*o*ce"rite</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Gr. <?/ the hip + <?/ a horn.]</ety> <fld>(Zo\'94l.)</fld> <def>The third joint or the antenn\'91 of the Crustacea.</def>

<h1>Ischion, Ischium</h1> <Xpage=791>

<hw><hw>Is"chi*on</hw> <tt>(?)</tt>, <hw>Is"chi*um</hw> <tt>(?)</tt>,<hw> <tt>n.</tt> <ety>[L., Gr. <?/.]</ety>

<p><b>1.</b> <fld>(Anat.)</fld> <def>The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone.</def>

<p><b>2.</b> <fld>(Zo\'94l.)</fld> <def>One of the pleur\'91 of insects.</def>

<h1>Ischiopodite</h1> <Xpage=791>