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hemispheres(Physics), two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; — used to illustrate the pressure of the air.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.

(Hem"i*ple`gy) n. (Med.) Hemiplegia.

(Hem"i*pode) n. [Hemi- + Gr. foot.] (Zoöl.) Any bird of the genus Turnix. Various species inhabit Asia, Africa, and Australia.

(Hem`i*pro"te*in) 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.

(He*mip"ter) n. [Cf. F. hémiptères, pl.] (Zoöl.) One of the Hemiptera.

(||He*mip"te*ra) n. pl. [NL., fr. Gr. half + wing, fr. to fly.] (Zoöl.) An order of hexapod insects having a jointed proboscis, including four sharp stylets 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.

(He*mip"ter*al He*mip"ter*ous) a. (Zoöl.) Of or pertaining to the Hemiptera.

(He*mip"ter*an) n. (Zoöl.) One of the Hemiptera; an hemipter.

(Hem`i*sect") v. t. [imp. & p. p. Hemisected; p. pr. & vb. n. Hemisecting.] [Hemi- + L. secare to cut.] (Anat.) To divide along the mesial plane.

(Hem`i*sec"tion) n. (Anat.) A division along the mesial plane; also, one of the parts so divided.

(Hem"i*sphere) n. [L. hemisphaerium, Gr. half = sphere: cf. F. 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.

  By PanEris using Melati.

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