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- English Word Hydrophoby Definition See Hydrophobia.
- English Word Hydrophora Definition The Hydroidea.
- English Word Hydrophore Definition An instrument used for the purpose of obtaining specimens of water from any desired depth, as in a river, a lake, or the ocean.
- English Word Hydrophyllia Definition of Hydrophyllium
- English Word Hydrophyllium Definition One of the flat, leaflike, protective zooids, covering other zooids of certain Siphonophora.
- English Word Hydrophylliums Definition of Hydrophyllium
- English Word Hydrophyte Definition An aquatic plant; an alga.
- English Word Hydrophytology Definition The branch of botany which treats of water plants.
- English Word Hydropic Definition Alt. of Hydropical
- English Word Hydropical Definition Dropsical, or resembling dropsy.
- English Word Hydropically Definition In a hydropical manner.
- English Word Hydropiper Definition A species (Polygonum Hydropiper) of knotweed with acrid foliage; water pepper; smartweed.
- English Word Hydropneumatic Definition Pertaining to, or depending upon, both liquid and gaseous substances; as, hydropneumatic apparatus for collecting gases over water or other liquids.
- English Word Hydropsy Definition Same as Dropsy.
- English Word Hydropult Definition A machine for throwing water by hand power, as a garden engine, a fire extinguisher, etc.
- English Word Hydroquinone Definition A white crystalline substance, C6H4(OH)2, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Called also dihydroxy benzene.
- English Word Hydrorhiza Definition The rootstock or decumbent stem by which a hydroid is attached to other objects. See Illust. under Hydroidea.
- English Word Hydrorhizae Definition of Hydrorhiza
- English Word Hydrorhizas Definition of Hydrorhiza
- English Word Hydrosalt Definition A salt supposed to be formed by a hydracid and a base.
- English Word Hydrosalt Definition An acid salt.
- English Word Hydrosalt Definition A hydrous salt; a salt combined with water of hydration or crystallization.
- English Word Hydroscope Definition An instrument designed to mark the presence of water, especially in air.
- English Word Hydroscope Definition A kind of water clock, used anciently for measuring time, the water tricking from an orifice at the end of a graduated tube.
- English Word Hydrosoma Definition All the zooids of a hydroid colony collectively, including the nutritive and reproductive zooids, and often other kinds.
- English Word Hydrosome Definition Alt. of Hydrosoma
- English Word Hydrosorbic Definition Pertaining to, or designating, an acid obtained from sorbic acid when this takes up hydrogen; as, hydrosorbic acid.
- English Word Hydrostat Definition A contrivance or apparatus to prevent the explosion of steam boilers.
- English Word Hydrostatic Definition Alt. of Hydrostatical
- English Word Hydrostatical Definition Of or relating to hydrostatics; pertaining to, or in accordance with, the principles of the equilibrium of fluids.