(Hem"mer) 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.

(Hem"o-) Same as Hæma-, Hæmo-.

(Hem"o*glo"bin) 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 Blood.

(Hem`o*glo"bin*om"e*ter) n. (Physiol. Chem.) Same as Hæmochromometer.

(||Hem`o*phil"i*a) n. See Hematophilia.

(He*mop"ty*sis) n. [NL., fr. Gr. a"i^ma blood + to spit: cf. F. hémoptysie.] (Med.) The expectoration of blood, due usually to hemorrhage from the mucous membrane of the lungs.

(Hem"or*rhage) n. [L. haemorrhagia, Gr. a"imorragi`a; a"i^ma blood + "rhgny`nai to break, burst: cf. F. hémorragie, hémorrhagie.] (Med.) Any discharge of blood from the blood vessels.

The blood circulates in a system of closed tubes, the rupture of which gives rise to hemorrhage.

(Hem`or*rhag"ic) a. [Gr. a"imorragiko`s: cf. F. hémorrhagique.] Pertaining or tending to a flux of blood; consisting in, or accompanied by, hemorrhage.

(Hem`or*rhoid"al) a. [Cf. F. hémorroïdal, hémorrhoïdal.]

1. Of or pertaining to, or of the nature of, hemorrhoids.

2. (Anat.) Of or pertaining to the rectum; rectal; as, the hemorrhoidal arteries, veins, and nerves.

(Hem"or*rhoids) n. pl. [L. haemorrhoidae, pl., Gr. sing., pl., veins liable to discharge blood, hemorrhoids, fr. flowing with blood; a"i^ma blood + to flow: cf. F. hémorroïdes, hémorrhoïdes. See Rheum.] (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.]

(Hem`o*stat"ic) a. [Hemo- + Gr. statiko`s causing to stand, fr. to stand.]

1. (Med.) Of or relating to stagnation of the blood.

2. Serving to arrest hemorrhage; styptic.

(Hem`o*stat"ic), n. A medicine or application to arrest hemorrhage.

(Hem`o*tho"rax) n. [NL. See Hemo- , and Thorax.] (Med.) An effusion of blood into the cavity of the pleura.

(Hemp) n. [OE. hemp, AS. henep, hænep; akin to D. hennep, OHG. hanaf, G. hanf, Icel. hampr, Dan. hamp, Sw. hampa, L. cannabis, cannabum, Gr. ka`nnabis, ka`nnabos; cf. Russ. konoplia, Skr. ça&nsdota; all prob. borrowed from some other language at an early time. Cf. Cannabine, Canvas.]

  By PanEris using Melati.

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