Chapter Hexagonally to Hide of H by Webster's Dictionary (1913 Edition)

Hexoic
(Hex*o"ic) a. (Chem.) Pertaining to, or derived from, hexane; as, hexoic acid.

Hexone
(Hex"one) n. [Hex- + - one.] (Chem.) A liquid hydrocarbon, C₆H₈, of the valylene series, obtained from distillation products of certain fats and gums.

Hexyl
(Hex"yl) n. [Hex- + - yl.] (chem.) A compound radical, C₆H₁₃, regarded as the essential residue of hexane, and a related series of compounds.

Hexylene
(Hex"yl*ene) n. [Hex- + - yl + ethlene.] (Chem.) A colorless, liquid hydrocarbon, C₆H₁₂, of the ethylene series, produced artificially, and found as a natural product of distillation of certain coals; also, any one several isomers of hexylene proper. Called also hexene.

Hexylic
(Hex*yl"ic) a. (chem.) Pertaining to, or derived from, hexyl or hexane; as, hexylic alcohol.

Hey
(Hey) a. [See High.] High. [Obs.] Chaucer.

Hey
(Hey) interj. [OE. hei; cf. D. & G. hei.]

1. An exclamation of joy, surprise, or encouragement. Shak.

2. A cry to set dogs on. Shak.

Heyday
(Hey"day`) interj. [Cf. G. heida, or hei da, D. hei daar. Cf. Hey, and There.] An expression of frolic and exultation, and sometimes of wonder. B. Jonson.

Heyday
(Hey"day`) n. [Prob. for. high day. See High, and Day.] The time of triumph and exultation; hence, joy, high spirits, frolicsomeness; wildness.

The heyday in the blood is tame.

Shak.

In the heyday of their victories.

J. H. Newman.

Heydeguy
(Hey"de*guy) n. [Perh. fr. heyday + guise.] A kind of country-dance or round. [Obs.] Spenser.

Heyh
(Heyh, Heygh) a. High. [Obs.] Chaucer.

Heyne
(Heyne) n. [AS. heán low, mean.] A wretch; a rascal. [Obs.] Chaucer.

Heyten
(Hey"ten) adv. [Icel. han.] Hence. [Obs.] Chaucer.

Hiation
(Hi*a"tion) n. [See Hiatus.] Act of gaping. [Obs.] Sir T. Browne.

Hiatus
(Hi*a"tus) n.; pl. L. Hiatus, E. Hiatuses [L., fr. hiare, hiatum, to gape; akin to E. yawn. See Yawn.]

1. An opening; an aperture; a gap; a chasm; esp., a defect in a manuscript, where some part is lost or effaced; a space where something is wanting; a break.

2. (Gram.) The concurrence of two vowels in two successive words or syllables. Pope.

Hibernacle
(Hi*ber"na*cle) n. [L. hibernaculum a winter residence, pl. hibernacula winter quarters: cf. F. hibernacle. See Hibernate.] That which serves for protection or shelter in winter; winter quarters; as, the hibernacle of an animal or a plant. Martyn.

Hibernaculum
(||Hi`ber*nac"u*lum) n. [See Hibernacle.]