Part 6093

<hw>Ism</hw>, <tt>n.</tt> <ety>[See <er>ism</er>, above.]</ety> <def>A doctrine or theory; especially, a wild or visionary theory.</def>

<i>E. Everett.</i>

<blockquote>The world grew light-headed, and forth came a spawn of <b>isms</b> which no man can number. <i>S. G. Goodrich.</i></blockquote>

<h1>Ismaelian, Ismaelite</h1> <Xpage=791>

<hw><hw>Is`ma*e"li*an</hw> <tt>(?)</tt>, <hw>Is"ma*el*ite</hw> <tt>(?)</tt>,<hw> <tt>n.</tt> <fld>(Eccl.)</fld> <def>One of a sect of Mohammedans who favored the pretensions of the family of Mohammed ben Ismael, of the house Ali.</def>

<h1>Iso-, Is-</h1> <Xpage=791>

<hw><hw>I"so-</hw> <tt>(?)</tt>, <hw>Is-</hw> <tt>(?)</tt>.<hw><ety>[Gr. <grk>'i`sos</grk> equal.]</ety> <def>A prefix or combining form, indicating <i>identity</i>, or <i>equality</i>; <i>the same numerical value</i>; as in <i>iso</i>pod, <i>iso</i>morphous, <i>iso</i>chromatic</def>. Specif.: <sd>(a)</sd> <fld>(Chem.)</fld> <def>Applied to certain compounds having the same composition but different properties; as in <i>iso</i>cyanic</def>. <sd>(b)</sd> <fld>(Organic Chem.)</fld> <def>Applied to compounds of certain isomeric series in whose structure one carbon atom, at least, is connected with three other carbon atoms; -- contrasted with <i>neo-</i> and <i>normal</i>; as in <i>iso</i>paraffine; <i>iso</i>pentane.</def>

<h1>Isobar</h1> <Xpage=791>

<hw>I"so*bar</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Iso-</ets> + Gr. <?/ weight.]</ety> <fld>(Phys. Geog.)</fld> <def>A line connecting or marking places upon the surface of the earth where height of the barometer reduced to sea level is the same either at a given time, or for a certain period (mean height), as for a year; an isopiestic line.</def> <altsp>[Written also <asp>isobare</asp>.]</altsp>

<h1>Isobaric</h1> <Xpage=791>

<hw>I`so*bar"ic</hw> <tt>(?)</tt>, <tt>a.</tt> <fld>(Phys. Geog.)</fld> <def>Denoting equal pressure; <as>as, an <ex>isobaric</ex> line; specifically, of or pertaining to isobars.</as></def>

<h1>Isobar</h1> <Xpage=791>

<hw>I"so*bar</hw> <tt>(?)</tt>, <tt>n.</tt> <def>The quality or state of being equal in weight, especially in atmospheric pressure. Also, the theory, method, or application of isobaric science.</def>

<h1>Isobarometric</h1> <Xpage=791>

<hw>I`so*bar`o*met"ric</hw> <tt>(?)</tt>, <tt>a.</tt> <ety>[<ets>Iso</ets> + <ets>barometric</ets>.]</ety> <fld>(Phys. Geog.)</fld> <def>Indicating equal barometric pressure.</def>

<h1>Isobathytherm</h1> <Xpage=791>

<hw>I`so*bath"y*therm</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Iso-</ets> + Gr. <?/ deep + <?/ heat.]</ety> <fld>(Phys. Geog.)</fld> <def>A line connecting the points on the surface of the earth where a certain temperature is found at the same depth.</def>

<h1>Isobathythermic</h1> <Xpage=791>

<hw>I`so*bath"y*ther"mic</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Of or pertaining to an isobathytherm; possessing or indicating the same temperature at the same depth.</def>

<h1>Isocephalism</h1> <Xpage=791>

<hw>I`so*ceph"a*lism</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[From Gr. <?/ like-headed. See <er>Iso-</er>, and <er>Cephalon</er>.]</ety> <fld>(Art)</fld> <def>A peculiarity in the design of bas-relief by which the heads of human figures are kept at the same height from the ground, whether the personages are seated, standing, or mounted on horseback; -- called also <altname>isokephaleia</altname>.</def>

<h1>Isochasm</h1> <Xpage=791>

<hw>I"so*chasm</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Iso-</ets> + <ets>chasm</ets>.]</ety> <fld>(Phys. Geog.)</fld> <def>A line connecting places on the earth's surface at which there is the same mean frequency of auroras.</def>

<h1>Isochasmic</h1> <Xpage=791>

<hw>I`so*chas"mic</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Indicating equal auroral display; <as>as, an <ex>isochasmic</ex> line</as>.</def>

<h1>Isocheim</h1> <Xpage=791>

<hw>I"so*cheim</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Iso-</ets> + Gr. <?/, <?/, winter.]</ety> <fld>(Phys. Geog.)</fld> <def>A line connecting places on the earth having the same mean winter temperature. Cf. <er>Isothere</er>.</def>

<h1>Isocheimal, Isochimal</h1> <Xpage=791>