Defn: Of or pertaining to hydrometallurgy; involving the use of liquid reagents in the treatment or reduction of ores. — Hy`dro*met`al*lur"gic*al*ly, adv.
HYDROMETALLURGY
Hy`dro*met"al*lur`gy, n. Etym: [Hydro-, 1 + metallurgy.]
Defn: The art or process of assaying or reducing ores by means of liquid reagents.
HYDROMETEOR
Hy`dro*me"te*or, n. Etym: [Hydro-, 1 + meteor.]
Defn: A meteor or atmospheric phenomenon dependent upon the vapor of water; — in the pl., a general term for the whole aqueous phenomena of the atmosphere, as rain, snow, hail, etc. Nichol.
HYDROMETEOROLOGICAL
Hy`dro*me`te*or`o*log"ic*al, a.
Defn: Of or pertaining to hydrometeorology, or to rain, clouds, storms, etc.
HYDROMETEOROLOGY
Hy`dro*me`te*or*ol"o*gy, n. Etym: [Hydro-, 1 + meteorology.]
Defn: That branch of meteorology which relates to, or treats of, water in the atmosphere, or its phenomena, as rain, clouds, snow, hail, storms, etc.
HYDROMETER
Hy*drom"e*ter, n. Etym: [Hydro-, 1 + -meter: cf. F. hydromètre.]