Hydrocarbon burner, furnace, stove, a burner, furnace, or stove with which liquid fuel, as petroleum,
(Hy`dro*car"bon) n. [Hydro-, 2 + carbon.] (Chem.) A compound containing only hydrogen
and carbon, as methane, benzene, etc.; also, by extension, any of their derivatives.
(Hy`dro*car`bo*na"ceous) a. Of the nature, or containing, hydrocarbons.
(Hy`dro*car"bon*ate) n. (a) (Old Chem.) A hydrocarbon. [Obs.] (b) (Chem.) A
hydrous carbonate, as malachite.
(Hy`dro*car`bo*sty"ril) n. [Hydro-, 2 + carbostyril.] (Chem.) A white, crystalline, nitrogenous
hydrocarbon, C9H9NO, obtained from certain derivatives of cinnamic acid and closely related to quinoline
(Hy`dro*car"bu*ret) n. [Hydro- , 2 + carburet.] (Chem.) Carbureted hydrogen; also, a
(Hy`dro*cau"lus) n.; pl. Hydrocauli [NL., fr. Gr. "y`dwr water + a stalk.] (Zoöl.) The
hollow stem of a hydroid, either simple or branched. See Illust. of Gymnoblastea and Hydroidea.
(Hy`dro*cele) n. [L., fr. Gr. "y`dwr water + tumor.] (Med.) A collection of serous fluid in the
areolar texture of the scrotum or in the coverings, especially in the serous sac, investing the testicle or
the spermatic cord; dropsy of the testicle.
(Hy`dro*ce*phal"ic) a. Relating to, or connected with, hydrocephalus, or dropsy of the
Hydrocephaloid affection (Med.), the group of symptoms which follow exhausting diarrhea in young
children, resembling those of acute hydrocephalus, or tubercular meningitis.
(Hy`dro*ceph"a*loid) a. [Hydrocephalus + -oid.] (Med.) Resembling hydrocephalus.
(Hy`dro*ceph"a*lous) a. Having hydrocephalus. "Hydrocephalous offspring." G. Eliot.
(Hy`dro*ceph"a*lus) n. [NL., fr. Gr. hydrocephalus; "y`dwr water + head.] (Med.) An
accumulation of liquid within the cavity of the cranium, especially within the ventricles of the brain; dropsy
of the brain. It is due usually to tubercular meningitis. When it occurs in infancy, it often enlarges the
(Hy`dro*chlo"rate) n. (Chem.) Same as Hydrochloride.
Hydrochloric acid (Chem.), hydrogen chloride; a colorless, corrosive gas, HCl, of pungent, suffocating
odor. It is made in great quantities in the soda process, by the action of sulphuric acid on common salt.
It has a great affinity for water, and the commercial article is a strong solution of the gas in water. It
is a typical acid, and is an indispensable agent in commercial and general chemical work. Called also
muriatic, &and chlorhydric, acid.
(Hy`dro*chlo"ric) a. [Hydro-, 2 + chloric: cf. F. hydrochlorique.] (Chem.) Pertaining to,
or compounded of, chlorine and hydrogen gas; as, hydrochloric acid; chlorhydric.
(Hy`dro*chlo"ride) n. (Chem.) A compound of hydrochloric acid with a base; distinguished
from a chloride, where only chlorine unites with the base.
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