Part 5231

<h1>Hemiprotein</h1> <Xpage=685>

<hw>Hem`i*pro"te*in</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Hemi-</ets> + <ets>protein</ets>.]</ety> <fld>(Physiol. Chem.)</fld> <def>An insoluble, proteid substance, described by Sch\'81tzenberger, formed when albumin is heated for some time with dilute sulphuric acid. It is apparently identical with antialbumid and dyspeptone.</def>

<h1>Hemipter</h1> <Xpage=685>

<hw>He*mip"ter</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[Cf. F. <ets>h\'82mipt\'8ares</ets>, pl.]</ety> <fld>(Zo\'94l.)</fld> <def>One of the Hemiptera.</def>

<h1>Hemiptera</h1> <Xpage=685>

<hw>He*mip"te*ra</hw> <tt>(?)</tt>, <tt>n. pl.</tt> <ety>[NL., fr. Gr. <?/ half + <?/ wing, fr. <?/ to fly.]</ety> <fld>(Zo\'94l.)</fld> <def>An order of hexapod insects having a jointed proboscis, including four sharp stylets (mandibles and maxill\'91), for piercing. In many of the species (Heteroptera) the front wings are partially coriaceous, and different from the others.</def>

<note>&hand; They are divided into the <i>Heteroptera</i>, including the squash bug, soldier bug, bedbug, etc.; the <i>Homoptera</i>, including the cicadas, cuckoo spits, plant lice, scale insects, etc.; the <i>Thysanoptera</i>, including the thrips, and, according to most recent writers, the <i>Pediculina</i> or true lice.</note>

<h1>Hemipteral, Hemipterous</h1> <Xpage=685>

<hw><hw>He*mip"ter*al</hw> <tt>(?)</tt>, <hw>He*mip"ter*ous</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <fld>(Zo\'94l.)</fld> <def>Of or pertaining to the Hemiptera.</def>

<h1>Hemipteran</h1> <Xpage=685>

<hw>He*mip"ter*an</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Zo\'94l.)</fld> <def>One of the Hemiptera; an hemipter.</def>

<h1>Hemisect</h1> <Xpage=685>

<hw>Hem`i*sect"</hw> <tt>(?)</tt>, <tt>v. t.</tt> <wordforms>[<tt>imp. & p. p.</tt> <er>Hemisected</er>; <tt>p. pr. & vb. n.</tt> <er>Hemisecting</er>.]</wordforms> <ety>[<ets>Hemi-</ets> + L. <ets>secare</ets> to cut.]</ety> <fld>(Anat.)</fld> <def>To divide along the mesial plane.</def>

<h1>Hemisection</h1> <Xpage=685>

<hw>Hem`i*sec"tion</hw> <tt>(?)</tt>, <tt>n.</tt> <fld>(Anat.)</fld> <def>A division along the mesial plane; also, one of the parts so divided.</def>

<h1>Hemisphere</h1> <Xpage=685>

<hw>Hem"i*sphere</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[L. <ets>hemisphaerium</ets>, Gr. <?/; <?/ half = <?/ sphere: cf. F. <ets>h\'82misph\'8are</ets>. See <er>Hemi-</er>, and <er>Sphere</er>.]</ety> <p><b>1.</b> <def>A half sphere; one half of a sphere or globe, when divided by a plane passing through its center.</def>

<p><b>2.</b> <def>Half of the terrestrial globe, or a projection of the same in a map or picture.</def>

<p><b>3.</b> <def>The people who inhabit a hemisphere.</def>

<blockquote>He died . . . mourned by a <b>hemisphere</b>. <i>J. P. Peters.</i></blockquote>ten

<cs><col>Cerebral hemispheres</col>. <fld>(Anat.)</fld> <cd>See <er>Brain</er>.</cd> -- <col>Magdeburg hemispheres</col> <fld>(Physics)</fld>, <cd>two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; -- used to illustrate the pressure of the air. So called because invented by Otto von Guericke at <i>Magdeburg<i>.</cd></cs>

<h1>Hemispheric, Hemispherical</h1> <Xpage=685>

<hw><hw>Hem`i*spher"ic</hw> <tt>(?)</tt>, <hw>Hem`i*spher"ic*al</hw> <tt>(?)</tt>,<hw> <tt>a.</tt> <ety>[Cf. F. <ets>h\'82misph\'82rique</ets>.]</ety> <def>Containing, or pertaining to, a hemisphere; <as>as, a <ex>hemispheric</ex> figure or form; a <ex>hemispherical</ex> body.</as></def>

<h1>Hemispheroid</h1> <Xpage=685>

<hw>Hem`i*sphe"roid</hw> <tt>(?)</tt>, <tt>n.</tt> <ety>[<ets>Hemi-</ets> + <ets>spheroid</ets>.]</ety> <def>A half of a spheroid.</def>

<h1>Hemispheroidal</h1> <Xpage=685>

<hw>Hem`i*sphe*roid"al</hw> <tt>(?)</tt>, <tt>a.</tt> <def>Resembling, or approximating to, a hemisphere in form.</def>

<h1>Hemispherule</h1> <Xpage=685>