Part 795

||He*mi"na (?), n.; pl. HeminÊ (#). [L., fr. Gr. &?;.] 1. (Rom. Antiq.) ||A measure of half a sextary. Arbuthnot.

2. (Med.) A measure equal to about ten fluid ounces.

||He*mi"o*nus (?), n. [NL., fr. Gr. &?; a half ass, a mule.] (Zoˆl.) A ||wild ass found in Thibet; the kiang. Darwin.

{ ||Hem`i*o"pi*a (?), Hem`i*op"si*a (?), } 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.

Hem`i*or"tho*type (?), a. [Hemi- + Gr. &?; straight + -type.] Same as Monoclinic.

Hem`i*pep"tone (?), n. [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.

||Hem`i*ple"gi*a (?), n.[NL., fr. Gr. &?;; &?; half + &?; a stroke; cf. ||F. hÈmiplagie.] (Med.) A palsy that affects one side only of the ||body. -- Hem`i"pleg"ic (#), a.

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

Hem"i*pode (?), n. [Hemi- + Gr. &?;, &?;, foot.] (Zoˆl.) 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 Sch¸tzenberger, 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. hÈmiptËres, pl.] (Zoˆl.) One of the Hemiptera.

||He*mip"te*ra (?), n. pl. [NL., fr. Gr. &?; half + &?; wing, fr. &?; ||to fly.] (Zoˆl.) An order of hexapod insects having a jointed ||proboscis, including four sharp stylets (mandibles and maxillÊ), 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. (Zoˆl.) Of or pertaining to the Hemiptera.

He*mip"ter*an (?), n. (Zoˆl.) 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. hÈmisphËre. 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.

{ Hem`i*spher"ic (?), Hem`i*spher"ic*al (?), } a. [Cf. F. hÈmisphÈrique.] 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.