Part 845

Jer. xix. 8.

Hiss"ing*ly, adv. With a hissing sound.

Hist (?), interj. [Cf. Dan. hys. &?;. Cf. Hush, Whist.] Hush; be silent; -- a signal for silence. Milton.

His`ti*ol"o*gy (?), n. [Gr. "isto`s tissue + -logy.] Same as Histology.

His`to*gen"e*sis (?), n. [Gr. "isto`s tissue + E. genesis.] (Biol.) (a) The formation and development of organic tissues; histogeny; -- the opposite of histolysis. (b) Germ history of cells, and of the tissues composed of cells. Haeckel.

His`to*ge*net"ic (?), a. [See Histogeny.] (Biol.) Tissue-producing; connected with the formation and development of the organic tissues.

His*tog"e*ny (?), n. [Gr. "isto`s tissue + root of &?; to be born.] (Biol.) Same as Histogenesis. Dunglison.

His*tog"ra*pher (?), n. One who describes organic tissues; an histologist.

His"to*graph"ic*al (?), a. Of or pertaining to histography.

His*tog"ra*phy (?), n. [Gr. "isto`s tissue + -graphy.] A description of, or treatise on, organic tissues.

His`to*hÊm"a*tin (?), n. [Gr. "isto`s tissue + E. hÊmatin.] (Physiol.) One of a class of respiratory pigments, widely distributed in the animal kingdom, capable of ready oxidation and reduction.

His"toid (?), a. [Gr. "isto`s tissue + -oid.] Resembling the normal tissues; as, histoid tumors.

{ His`to*log"ic (?), His`to*log"ic*al } a. (Biol.) Pertaining to histology, or to the microscopic structure of the tissues of living organisms. -- His`to*log"ic*al*ly, adv.

His*tol"o*gist (?), n. One versed in histology.

His*tol"o*gy (?), n. [Gr. "isto`s tissue + -logy.] That branch of biological science, which treats of the minute (microscopic) structure of animal and vegetable tissues; -- called also histiology.

||His*tol"y*sis (?), n. [NL., fr. Gr. "isto`s tissue + &?; to loosen, ||dissolve.] (Biol.) The decay and dissolution of the organic tissues ||and of the blood.

His`to*lyt"ic (?), a. (Biol.) Of or pertaining to histolysis, or the degeneration of tissues.

His*ton"o*my (?), n. [Gr. "isto`s tissue + &?; to distribute, regulate.] The science which treats of the laws relating to organic tissues, their formation, development, functions, etc.

His*toph"y*ly (?), n. [Gr. "isto`s tissue + Gr. &?; clan.] (Biol.) The tribal history of cells, a division of morphophyly. Haeckel.

His*to"ri*al (?), a. [L. historialis: cf. F. historial.] Historical. [Obs.] Chaucer.

His*to"ri*an (?), n. [F. historien.] 1. A writer of history; a chronicler; an annalist.

Even the historian takes great liberties with facts.

Sir J. Reynolds.

2. One versed or well informed in history.

Great captains should be good historians.

South.

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{ His*tor"ic (hs*tr"k), his*tor"ic*al (hs*tr"*kal), } a. [L. historicus, Gr. "istoriko`s: cf. F. historique. See History.] Of or pertaining to history, or the record of past events; as, an historical poem; the historic page. -- His*tor"ic*al*ness, n. -- His*to*ric"i*ty (#), n.