HYDRO-ELECTRIC
Hy`dro-e*lec"tric, a. Etym: [Hydro-, 1 + electric.]

Defn: Pertaining to, employed in, or produced by, the evolution of electricity by means of a battery in which water or steam is used. Hydro-electric machine (Physics), an apparatus invented by Sir William Armstrong of England for generating electricity by the escape of high-pressure steam from a series of jets connected with a strong boiler, in which the steam is produced.

HYDRO-EXTRACTOR
Hy`dro-ex*tract"or, n. Etym: [Hydro-, 1 + extractor.]

Defn: An apparatus for drying anything, as yarn, cloth, sugar, etc., by centrifugal force; a centrifugal.

HYDROFERRICYANIC
Hy`dro*fer`ri*cy*an"ic, n. Etym: [Hydro-, 2 + ferricyanic.] (Chem.)

Defn: Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen; as, hydroferricyanic acid. See Ferricyanic.

HYDROFERROCYANIC
Hy`dro*fer`ro*cy*an"ic, a. Etym: [Hydro-, 2 + ferrocyanic.] (Chem.)

Defn: Pertaining to, or containing, or obtained from, hydrogen, ferrous iron, and cyanogen; as, hydroferrocyanic acid. See Ferrocyanic.

HYDROFLUATE
Hy`dro*flu"ate, n. (Chem.)

Defn: A supposed compound of hydrofluoris acid and a base; a fluoride. [Archaic]