Hemicardia Hem`i·car"di·a noun [ New Latin See
Hemi- , and
Cardia .]
(Anat.) A lateral half of the heart, either the right or left. B. G. Wilder.
Hemicarp Hem`i·carp noun [
Hemi- + Greek ... fruit.]
(Botany) One portion of a fruit that spontaneously divides into halves.
Hemicerebrum Hem`i·cer"e·brum noun [
Hemi- +
cerebrum .]
(Anat.) A lateral half of the cerebrum. Wilder.
Hemicollin Hem`i·col"lin noun [
Hemi- +
collin .]
(Physiol. Chem.) See Semiglutin .
Hemicrania Hem`i·cra"ni·a noun [ Latin : confer French
hémicrânie . See
Cranium , and
Megrim .]
(Medicine) A pain that affects only one side of the head.
Hemicrany Hem"i·cra`ny noun (Medicine) Hemicranis.
Hemicycle Hem"i·cy`cle noun [ Latin
hemicyclus , Greek ...; ... + ....]
1. A half circle; a semicircle. 2. A semicircular place, as a semicircular arena, or room, or part of a room. The collections will be displayed in the hemicycle of the central pavilion.
London Academy.
Hemidactyl Hem`i·dac"tyl noun [ See
Hemi- , and
Dactyl .]
(Zoology) Any species of Old World geckoes of the genus Hemidactylus . The hemidactyls have dilated toes, with two rows of plates beneath.
Hemiditone Hem`i·di"tone noun [
Hemi- +
ditone .]
(Gr. Mus.) The lesser third. Busby.
Hemigamous He·mig"a·mous adjective [
Hemi- + Greek ... marriage.]
(Botany) Having one of the two florets in the same spikelet neuter, and the other unisexual, whether male or female; -- said of grasses.
Hemiglyph Hem"i·glyph noun [
Hemi- + Greek ... a carving.]
(Architecture) The half channel or groove in the edge of the triglyph in the Doric order.
Hemihedral Hem`i·he"dral adjective [
Hemi- + Greek ... seat, base, from ... to sit.]
(Crystallog.) Having half of the similar parts of a crystals, instead of all; consisting of half the planes which full symmetry would require, as when a cube has planes only on half of its eight solid angles, or one plane out of a pair on each of its edges; or as in the case of a tetrahedron, which is hemihedral to an octahedron, it being contained under four of the planes of an octahedron. --
Hem`i*he"dral*ly ,
adverb
Hemihedrism Hem`i·he"drism noun (Crystallog.) The property of crystallizing hemihedrally.
Hemihedron Hem`i·he"dron noun (Crystallog.) A solid hemihedrally derived. The tetrahedron is a hemihedron .
Hemiholohedral Hem`i·hol`o·he"dral adjective [
Hemi- +
holohedral .]
(Crystallog.) Presenting hemihedral forms, in which half the sectants have the full number of planes.
Hemimellitic Hem`i·mel·lit"ic adjective [
Hemi- +
mellitic .]
(Chemistry) Having half as many ( three ) carboxyl radicals as mellitic acid; -- said of an organic acid.
Hemimetabola Hem`i·me·tab"o·la noun plural [ New Latin See
Hemi- , and
Metabola .]
(Zoology) Those insects which have an incomplete metamorphosis.
Hemimetabolic Hem`i·met`a·bol"ic adjective (Zoology) Having an incomplete metamorphosis, the larvæ differing from the adults chiefly in laking wings, as in the grasshoppers and cockroaches.
Hemimorphic Hem`i·mor"phic adjective [
Hemi- + Greek ... form.]
(Crystallog.) Having the two ends modified with unlike planes; -- said of a crystal.
Hemin He"min noun [ Greek
a"i^ma blood.]
(Physiol. Chem.) A substance, in the form of reddish brown, microscopic, prismatic crystals, formed from dried blood by the action of strong acetic acid and common salt; -- called also Teichmann's crystals. Chemically, it is a hydrochloride of hematin. » The obtaining of these small crystals, from old blood clots or suspected blood stains, constitutes one of the best evidences of the presence of blood.
Hemina He·mi"na noun ;
plural Heminæ . [ Latin , from Greek ....]
1. (Rom. Antiq.) A measure of half a sextary. Arbuthnot. 2. (Medicine) A measure equal to about ten fluid ounces.
Hemionus He·mi"o·nus noun [ New Latin , from Greek ... a half ass, a mule.]
(Zoology) A wild ass found in Thibet; the kiang. Darwin.
Hemiopia, Hemiopsia Hem`i·o"pi·a, Hem`i·op"si·a noun [ New Latin , from Greek ... half + Greek ... sight.]
(Medicine) A defect of vision in consequence of which a person sees but half of an object looked at.
Hemiorthotype Hem`i·or"tho·type adjective [
Hemi- + Greek ... straight +
-type .]
Same as Monoclinic .
Hemipeptone Hem`i·pep"tone noun [
Hemi- +
peptone .]
(Physiol. Chem.) A product of the gastric and pancreatic digestion of albuminous matter. » Unlike antipeptone it is convertible into leucin and tyrosin, by the continued action of pancreatic juice. See
Peptone . It is also formed from hemialbumose and albumin by the action of boiling dilute sulphuric acid.
Hemiplegia Hem`i·ple"gi·a noun [ New Latin , from Greek ...; ... half + ... a stroke; confer French
hémiplagie .]
(Medicine) A palsy that affects one side only of the body. --
Hem`i"pleg"ic adjective
Hemiplegy Hem"i·ple`gy noun (Medicine) Hemiplegia.
Hemipode Hem"i·pode noun [
Hemi- + Greek ..., ..., foot.]
(Zoology) Any bird of the genus Turnix . Various species inhabit Asia, Africa, and Australia.
Hemiprotein Hem`i·pro"te·in noun [
Hemi- +
protein .]
(Physiol. Chem.) An insoluble, proteid substance, described by Schützenberger, formed when albumin is heated for some time with dilute sulphuric acid. It is apparently identical with antialbumid and dyspeptone.
Hemipter He·mip"ter noun [ Confer French
hémiptères , plural]
(Zoology) One of the Hemiptera.
Hemiptera He·mip"te·ra noun plural [ New Latin , from Greek ... half + ... wing, from ... to fly.]
(Zoology) An order of hexapod insects having a jointed proboscis, including four sharp stylets (mandibles and maxillæ), for piercing. In many of the species (Heteroptera) the front wings are partially coriaceous, and different from the others. » They are divided into the
Heteroptera , including the squash bug, soldier bug, bedbug, etc.; the
Homoptera , including the cicadas, cuckoo spits, plant lice, scale insects, etc.; the
Thysanoptera , including the thrips, and, according to most recent writers, the
Pediculina or true lice.
Hemipteral, Hemipterous He·mip"ter·al, He·mip"ter·ous adjective (Zoology) Of or pertaining to the Hemiptera.
Hemipteran He·mip"ter·an noun (Zoology) One of the Hemiptera; an hemipter.
Hemisect Hem`i·sect" transitive verb [
imperfect & past participle Hemisected ;
present participle & verbal noun Hemisecting .] [
Hemi- + Latin
secare to cut.]
(Anat.) To divide along the mesial plane.
Hemisection Hem`i·sec"tion noun (Anat.) A division along the mesial plane; also, one of the parts so divided.
Hemisphere Hem"i·sphere noun [ Latin
hemisphaerium , Greek ...; ... half = ... sphere: confer French
hémisphère . See
Hemi- , and
Sphere .]
1. A half sphere; one half of a sphere or globe, when divided by a plane passing through its center. 2. Half of the terrestrial globe, or a projection of the same in a map or picture. 3. The people who inhabit a hemisphere. He died . . . mourned by a hemisphere .
J. P. Peters. Cerebral hemispheres .
(Anat.) See Brain . --
Magdeburg hemispheres (Physics) ,
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 Magdeburg .
Hemispheric, Hemispherical Hem`i·spher"ic, Hem`i·spher"ic·al adjective [ Confer French
hémisphérique .]
Containing, or pertaining to, a hemisphere; as, a hemispheric figure or form; a hemispherical body.
Hemispheroid Hem`i·sphe"roid noun [
Hemi- +
spheroid .]
A half of a spheroid.
Hemispheroidal Hem`i·sphe·roid"al adjective Resembling, or approximating to, a hemisphere in form.
Hemispherule Hem`i·spher"ule noun A half spherule.
Hemistich Hem"i·stich noun [ Latin
hemistichium , Greek
"hmisti`chion ;
"hmi- half +
sti`chos row, line, verse: confer French
hémistiche .]
Half a poetic verse or line, or a verse or line not completed.
Hemistichal He·mis"ti·chal adjective Pertaining to, or written in, hemistichs; also, by, or according to, hemistichs; as, a hemistichal division of a verse.
Hemisystole Hem`i·sys"to·le noun (Physiol.) Contraction of only one ventricle of the heart. »
Hemisystole is noticed in rare cases of insufficiency of the mitral valve, in which both ventricles at times contract simultaneously, as in a normal heart, this condition alternating with contraction of the right ventricle alone; hence,
intermittent hemisystole .
Hemitone Hem"i·tone noun [ Latin
hemitonium , Greek ....]
See Semitone .
Hemitropal, Hemitropous He·mit"ro·pal, He·mit"ro·pous adjective [ See
Hemitrope .]
1. Turned half round; half inverted. 2. (Botany) Having the raphe terminating about half way between the chalaza and the orifice; amphitropous; -- said of an ovule. Gray.
Hemitrope Hem"i·trope adjective [
Hemi- + Greek ... to turn: confer French
hémitrope .]
Half turned round; half inverted; (Crystallog.) having a twinned structure.
Hemitrope Hem"i·trope noun That which is hemitropal in construction; (Crystallog.) a twin crystal having a hemitropal structure.
Hemitropy He·mit"ro·py noun (Crystallog.) Twin composition in crystals.
Hemlock Hem"lock noun [ Middle English
hemeluc ,
humloc , Anglo-Saxon
hemlic ,
hymlic .]
1. (Botany) The name of several poisonous umbelliferous herbs having finely cut leaves and small white flowers, as the Cicuta maculata , bulbifera , and virosa , and the Conium maculatum . See Conium . » The potion of
hemlock administered to Socrates is by some thought to have been a decoction of
Cicuta virosa , or
water hemlock , by others, of
Conium maculatum .
2. (Botany) An evergreen tree common in North America ( Abies, or Tsuga, Canadensis ); hemlock spruce. The murmuring pines and the hemlocks .
Longfellow. 3. The wood or timber of the hemlock tree. Ground hemlock , or
Dwarf hemlock .
See under Ground .
Hemmel Hem"mel noun [ Scot.
hemmel ,
hammel , Prov. English
hemble hovel, stable, shed, perhaps allied to Dutch
hemel heaven, canopy, German
himmel ; confer English
heaven . √14.]
A shed or hovel for cattle. [ Prov. Eng.]
Wright.
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