Ground hemlock, or Dwarf hemlock. See under Ground.

(Hem"mel) n. [Scot. hemmel, hammel, Prov. E. hemble hovel, stable, shed, perh. allied to D. hemel heaven, canopy, G. himmel; cf. E. heaven. &radic14.] A shed or hovel for cattle. [Prov. Eng.] Wright.

Hemispheric to Hepar

(Hem`i*spher"ic Hem`i*spher"ic*al) a. [Cf. F. hémisphérique.] Containing, or pertaining to, a hemisphere; as, a hemispheric figure or form; a hemispherical body.

(Hem`i*sphe"roid) n. [Hemi- + spheroid.] A half of a spheroid.

(Hem`i*sphe*roid"al) a. Resembling, or approximating to, a hemisphere in form.

(Hem`i*spher"ule) n. A half spherule.

(Hem"i*stich) n. [L. hemistichium, Gr. "hmisti`chion; "hmi- half + sti`chos row, line, verse: cf. F. hémistiche.] Half a poetic verse or line, or a verse or line not completed.

(He*mis"ti*chal) a. Pertaining to, or written in, hemistichs; also, by, or according to, hemistichs; as, a hemistichal division of a verse.

(Hem`i*sys"to*le) n. (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.

(Hem"i*tone) n. [L. hemitonium, Gr. .] See Semitone.

(He*mit"ro*pal He*mit"ro*pous) a. [See Hemitrope.]

1. Turned half round; half inverted.

2. (Bot.) Having the raphe terminating about half way between the chalaza and the orifice; amphitropous; — said of an ovule. Gray.

(Hem"i*trope) a. [Hemi- + Gr. to turn: cf. F. hémitrope.] Half turned round; half inverted; (Crystallog.) having a twinned structure.

(Hem"i*trope), n. That which is hemitropal in construction; (Crystallog.) a twin crystal having a hemitropal structure.

(He*mit"ro*py) n. (Crystallog.) Twin composition in crystals.

(Hem"lock) 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, 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. (Bot.) An evergreen tree common in North America (Abies, or Tsuga, Canadensis); hemlock spruce.

The murmuring pines and the hemlocks.

3. The wood or timber of the hemlock tree.

  By PanEris using Melati.

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