Hemidactyl - Hence

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2. A semicircular place, as a semicircular arena, or room, or part of a room.
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The collections will be displayed in the hemicycle of the central pavilion. London Academy.
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Hemidactyl (?), n. [See , and .] (Zoöl.) Any species of Old World geckoes of the genus Hemidactylus. The hemidactyls have dilated toes, with two rows of plates beneath.
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Hemi-demi-semiquaver (?), n. [Hemi- + demi-semiquaver.] (Mus.) A short note, equal to one fourth of a semiquaver, or the sixty-fourth part of a whole note.
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Hemiditone (?), n. [Hemi- + ditone.] (Gr. Mus.) The lesser third. Busby.
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Hemigamous (?), a. [Hemi- + Gr. � marriage.] (Bot.) Having one of the two florets in the same spikelet neuter, and the other unisexual, whether male or female; -- said of grasses.
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Hemiglyph (?), n. [Hemi- + Gr. � a carving.] (Arch.) The half channel or groove in the edge of the triglyph in the Doric order.
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Hemihedral (?), a. [Hemi- + Gr. � seat, base, fr. � 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. -- Hemihedrally, adv.
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Hemihedrism (?), n. (Crystallog.) The property of crystallizing hemihedrally.
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Hemihedron (?), n. (Crystallog.) A solid hemihedrally derived. The tetrahedron is a hemihedron.
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Hemiholohedral (?), a. [Hemi- + holohedral.] (Crystallog.) Presenting hemihedral forms, in which half the sectants have the full number of planes.
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Hemimellitic (?), a. [Hemi- + mellitic.] (Chem.) Having half as many (three) carboxyl radicals as mellitic acid; -- said of an organic acid.
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Hemimetabola (?), n. pl. [NL. See , and .] (Zoöl.) Those insects which have an incomplete metamorphosis.
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Hemimetabolic (?), a. (Zoöl.) Having an incomplete metamorphosis, the larvæ differing from the adults chiefly in laking wings, as in the grasshoppers and cockroaches.
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Hemimorphic (?), a. [Hemi- + Gr. morfh form.] (Crystallog.) Having the two ends modified with unlike planes; -- said of a crystal.
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Hemin (?), n. [Gr. ai^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.
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☞ 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.
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Hemina (?), n.; pl. Heminæ (#). [L., fr. Gr. �.] 1. (Rom. Antiq.) A measure of half a sextary. Arbuthnot.
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2. (Med.) A measure equal to about ten fluid ounces.
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Hemionus (?), n. [NL., fr. Gr. � a half ass, a mule.] (Zoöl.) A wild ass found in Tibet; the kiang. Darwin.

{ Hemiopia (?), Hemiopsia (?), } n. [NL., fr. Gr. � half + Gr. � sight.] (Med.) A defect of vision in consequence of which a person sees but half of an object looked at.
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Hemiorthotype (?), a. [Hemi- + Gr. � straight + -type.] Same as .
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Hemipeptone (?), n. [Hemi- + peptone.] (Physiol. Chem.) A product of the gastric and pancreatic digestion of albuminous matter.
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☞ Unlike antipeptone it is convertible into leucin and tyrosin, by the continued action of pancreatic juice. See . It is also formed from hemialbumose and albumin by the action of boiling dilute sulphuric acid.
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Hemiplegia (?), n.[NL., fr. Gr. �; � half + � a stroke; cf. F. hémiplagie.] (Med.) A palsy that affects one side only of the body. -- Hemiplegic (#), a.
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Hemiplegy (?), n. (Med.) Hemiplegia.
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Hemipode (?), n. [Hemi- + Gr. �, �, foot.] (Zoöl.) Any bird of the genus Turnix. Various species inhabit Asia, Africa, and Australia.
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Hemiprotein (?), n. [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.
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Hemipter (?), n. [Cf. F. hémiptères, pl.] (Zoöl.) One of the Hemiptera.
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Hemiptera (?), n. pl. [NL., fr. Gr. � half + � wing, fr. � to fly.] (Zoöl.) 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.
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☞ 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 (?), } a. (Zoöl.) Of or pertaining to the Hemiptera.
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Hemipteran (?), n. (Zoöl.) One of the Hemiptera; an hemipter.
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Hemiramphidae prop. n. A natural family of fish including the halfbeaks, marine and freshwater fishes closely related to the flying fishes but not able to glide.
Syn. -- family Hemiramphidae.
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Hemisect (?), v. t. [imp. & p. p. Hemisected; p. pr. & vb. n. Hemisecting.] [Hemi- + L. secare to cut.] (Anat.) To divide along the mesial plane.
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Hemisection (?), n. (Anat.) A division along the mesial plane; also, one of the parts so divided.
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Hemisphere (?), n. [L. hemisphaerium, Gr. �; � half = � sphere: cf. F. hémisphère. See , and .] 1. A half sphere; one half of a sphere or globe, when divided by a plane passing through its center.
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2. Half of the terrestrial globe, or a projection of the same in a map or picture.
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3. The people who inhabit a hemisphere.
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He died . . . mourned by a hemisphere. J. P. Peters.
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Coloq. Cerebral hemispheres . (Anat.) See . -- Coloq. 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 (?), } a. [Cf. F. hémisphérique.] Containing, or pertaining to, a hemisphere; as, a hemispheric figure or form; a hemispherical body.
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Hemispheroid (?), n. [Hemi- + spheroid.] A half of a spheroid.
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Hemispheroidal (?), a. Resembling, or approximating to, a hemisphere in form.
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Hemispherule (?), n. A half spherule.
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Hemistich (?; 277), n. [L. hemistichium, Gr. hmistichion; hmi- half + stichos row, line, verse: cf. F. hémistiche.] Half a poetic verse or line, or a verse or line not completed.
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Hemistichal (?), a. Pertaining to, or written in, hemistichs; also, by, or according to, hemistichs; as, a hemistichal division of a verse.
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Hemisystole (?), n. (Physiol.) Contraction of only one ventricle of the heart.
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☞ 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.
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Hemitone (?), n. [L. hemitonium, Gr. �.] See .

{ Hemitropal (?), Hemitropous (?), } a. [See .] 1. Turned half round; half inverted.
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2. (Bot.) Having the raphe terminating about half way between the chalaza and the orifice; amphitropous; -- said of an ovule. Gray.
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Hemitrope (?), a. [Hemi- + Gr. � to turn: cf. F. hémitrope.] Half turned round; half inverted; (Crystallog.) having a twinned structure.
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Hemitrope, n. That which is hemitropal in construction; (Crystallog.) a twin crystal having a hemitropal structure.
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Hemitropy (?), n. (Crystallog.) Twin composition in crystals.
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Hemlock (?), n. [OE. hemeluc, humloc, AS. hemlic, hymlic.] 1. (Bot.) The name of several poisonous umbelliferous herbs having finely cut leaves and small white flowers, as the Cicuta maculata, Cicuta bulbifera, and Cicuta virosa, and the Conium maculatum. See .
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☞ 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.
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2. (Bot.) An evergreen tree common in North America (Abies Canadensis or Tsuga Canadensis); hemlock spruce.
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The murmuring pines and the hemlocks. Longfellow.
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3. The wood or timber of the hemlock tree.
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Coloq. Ground hemlock , or Coloq. Dwarf hemlock . See under .
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Hemmel (?), n. [Scot. hemmel, hammel, Prov. E. hemble hovel, stable, shed, perh. allied to D. hemel heaven, canopy, G. himmel; cf. E. heaven. √14.] A shed or hovel for cattle. [Prov. Eng.] Wright.
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Hemmer (?), n. One who, or that which, hems with a needle. Specifically: (a) An attachment to a sewing machine, for turning under the edge of a piece of fabric, preparatory to stitching it down. (b) A tool for turning over the edge of sheet metal to make a hem.
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hemming-stitch n. a stitch used in sewing hems on skirts and dresses.
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Hemo- (?). Same as , .
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Hemoglobin (?), n. [Hemo- + globe.] (Physiol.) The normal coloring matter of the red blood corpuscles of vertebrate animals. It is composed of hematin and globulin, and is also called hæmatoglobulin. In arterial blood, it is always combined with oxygen, and is then called oxyhemoglobin. It crystallizes under different forms from different animals, and when crystallized, is called hæmatocrystallin. See Blood crystal, under .
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Hemoglobinometer (?), n. (Physiol. Chem.) Same as .
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hemolysis n. The lysis of erythrocytes with the release of hemoglobin; the breaking apart of red blood cells in the blood.
Syn. -- haemolysis, hematolysis, haematolysis.
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hemolytic adj. of or pertaining to hemolysis; causing hemolysis.
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Hemophilia (hēmȧfĭlĭȧ or hĕmȧfĭlĭȧ), n. [NL., fr. Gr. ai^ma, blood + filei^n to love.] (Med.) A condition characterized by a tendency to profuse and uncontrollable hemorrhage from the slightest wounds; it is caused by an absence or abnormality of a clotting factor in the blood, and is a recessive genetic disease linked to the X-chromosome, and therefore usually occurs only in males; there are several specific forms. It may be treated by administering purified clotting factor. It was formerly termed Hematophilia.
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hemophiliac (hēmȧfĭlĭăk), n. A person afflicted with hemophilia; called also hemophile.
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hemophiliac (hēmȧfĭlĭăk), a. of, pertaining to, characteristic of, or afflicted with hemophilia; hemophilic.
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hemophilic adj. 1. of, pertaining to, characteristic of, or afflicted with hemophilia; hemophiliac.
Syn. -- haemophilic, hemophiliac.
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2. (Microbiology) Growing best in a medium containing blood, or in blood; -- of bacteria.
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Hemoptysis (?), n. [NL., fr. Gr. ai^ma blood + � to spit: cf. F. hémoptysie.] (Med.) The expectoration of blood, due usually to hemorrhage from the mucous membrane of the lungs.
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Hemorrhage (?), n. [L. haemorrhagia, Gr. aimorragia; ai^ma blood + rhgnynai to break, burst: cf. F. hémorragie, hémorrhagie.] (Med.) Any discharge of blood from the blood vessels.
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☞ The blood circulates in a system of closed tubes, the rupture of which gives rise to hemorrhage.
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Hemorrhagic (?), a. [Gr. aimorragikos: cf. F. hémorrhagique.] Pertaining or tending to a flux of blood; consisting in, or accompanied by, hemorrhage.
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Hemorrhoidal (?), a. [Cf. F. hémorroïdal, hémorrhoïdal.] 1. Of or pertaining to, or of the nature of, hemorrhoids.
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2. (Anat.) Of or pertaining to the rectum; rectal; as, the hemorrhoidal arteries, veins, and nerves.
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Hemorrhoids (?), n. pl. [L. haemorrhoidae, pl., Gr. �, sing., � (sc. �), pl., veins liable to discharge blood, hemorrhoids, fr. � flowing with blood; ai^ma blood + � to flow: cf. F. hémorroïdes, hémorrhoïdes. See .] (Med.) Livid and painful swellings formed by the dilation of the blood vessels around the margin of, or within, the anus, from which blood or mucus is occasionally discharged; piles; emerods. [The sing. hemorrhoid is rarely used.]
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hemosiderin n. (Med.) a granular yellowish-brown substance composed of protein and ferric oxide, resulting from the breakdown of hemoglobin; it has a higher iron content than ferritin, and its presence in body tissues or phagocytes can be a symptom of disturbed iron metabolism.
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hemosiderosis n. (Med.) The accumulation of abnormal amounts of hemosiderin in the tisssues. Several causes have been recognized. Stedman.
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hemostat n. a surgical instrument that stops bleeding by clamping the blood vessel.
Syn. -- haemostat.
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Hemostatic (?), a. [Hemo- + Gr. statikos causing to stand, fr. � to stand.] 1. (Med.) Of or relating to stagnation of the blood.
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2. Serving to arrest hemorrhage; styptic.
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Hemostatic, n. A medicine or application to arrest hemorrhage.
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Hemothorax (?), n. [NL. See , and .] (Med.) An effusion of blood into the cavity of the pleura.
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Hemp (hĕmp), n. [OE. hemp, AS. henep, hænep; akin to D. hennep, OHG. hanaf, G. hanf, Icel. hampr, Dan. hamp, Sw. hampa, L. cannabis, cannabum, Gr. kannabis, kannabos; cf. Russ. konoplia, Skr. çaṇa; all prob. borrowed from some other language at an early time. Cf. , .] 1. (Bot.) A plant of the genus Cannabis (Cannabis sativa), the fibrous skin or bark of which is used for making cloth and cordage. The name is also applied to various other plants yielding fiber.
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2. The fiber of the skin or rind of the plant, prepared for spinning. The name has also been extended to various fibers resembling the true hemp.
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Coloq. African hemp , Coloq. Bowstring hemp . See under , and . -- Coloq. Bastard hemp , the Asiatic herb Datisca cannabina. -- Coloq. Canada hemp , a species of dogbane (Apocynum cannabinum), the fiber of which was used by the Indians. -- Coloq. Hemp agrimony , a coarse, composite herb of Europe (Eupatorium cannabinum), much like the American boneset. -- Coloq. Hemp nettle , a plant of the genus Galeopsis (Galeopsis Tetrahit), belonging to the Mint family. -- Coloq. Indian hemp . See under , a. -- Coloq. Manila hemp , the fiber of Musa textilis. -- Coloq. Sisal hemp , the fiber of Agave sisalana, of Mexico and Yucatan. -- Coloq. Sunn hemp , a fiber obtained from a leguminous plant (Crotalaria juncea). -- Coloq. Water hemp , an annual American weed (Acnida cannabina), related to the amaranth.
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Hempen (-'n), a. 1. Made of hemp; as, a hempen cord.
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2. Like hemp. “Beat into a hempen state.” Cook.
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Hempy (?), a. Like hemp. [R.] Howell.

Hemself (?), Hemselve (�), Hemselven (�), pron. pl. [See , pron.] Themselves; -- used reflexively. [Obs.] Chaucer.
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Hemstitch (?), v. t. [imp. & p. p. Hemstitched (?); p. pr. & vb. n. Hemstitching.] [Hem + stitch.] To ornament at the head of a broad hem by drawing out a few parallel threads, and fastening the cross threads in successive small clusters; as, to hemstitch a handkerchief.
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Hemstitched (?), a. Having a broad hem separated from the body of the article by a line of open work; as, a hemistitched handkerchief.
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Hemuse (?), n. (Zoöl.) The roebuck in its third year. [Prov. Eng.]
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Hen (?), n. [AS. henn, hen, hæn; akin to D. hen, OHG. henna, G. henne, Icel. h�na, Dan. höna; the fem. corresponding to AS. hana cock, D. haan, OHG. hano, G. hahn, Icel. hani, Dan. & Sw. hane. Prob. akin to L. canere to sing, and orig. meaning, a singer. Cf. .] (Zoöl.) The female of the domestic fowl; also, the female of grouse, pheasants, or any kind of birds; as, the heath hen; the gray hen.
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☞ Used adjectively or in combination to indicate the female; as, hen canary, hen eagle, hen turkey, peahen.
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Coloq. Hen clam . (Zoöl.) (a) A clam of the Mactra, and allied genera; the sea clam or surf clam. See . (b) A California clam of the genus Pachydesma. -- Coloq. Hen driver . See Hen harrier (below). -- Coloq. Hen harrier (Zoöl.), a hawk (Circus cyaneus), found in Europe and America; -- called also dove hawk, henharm, henharrow, hen driver, and usually, in America, marsh hawk. See . -- Coloq. Hen hawk (Zoöl.), one of several species of large hawks which capture hens; esp., the American red-tailed hawk (Buteo borealis), the red-shouldered hawk (Buteo lineatus), and the goshawk.
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Henbane (?), n. [Hen + bane.] (Bot.) A plant of the genus Hyoscyamus (Hyoscyamus niger). All parts of the plant are poisonous, and the leaves are used for the same purposes as belladonna. It is poisonous to domestic fowls; whence the name. Called also, stinking nightshade, from the fetid odor of the plant. See .
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Henbit (?), n. (Bot.) A weed of the genus Lamium (Lamium amplexicaule) with deeply crenate leaves.
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Hence (hĕns), adv. [OE. hennes, hens (the s is prop. a genitive ending; cf. ), also hen, henne, hennen, heonnen, heonene, AS. heonan, heonon, heona, hine; akin to OHG. hinnān, G. hinnen, OHG. hina, G. hin; all from the root of E. he. See .] 1. From this place; away. “Or that we hence wend.” Chaucer.
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Arise, let us go hence. John xiv. 31.
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I will send thee far hence unto the Gentiles. Acts xxii. 21.
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2. From this time; in the future; as, a week hence. “Half an hour hence.” Shak.
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