Index of English words, starting with "hy"

(1) - Hydrant (n.) A discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks; a water plug.

(1) - Hydranth (n.) One of the nutritive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea.

(1) - Hydrate (v. t.) To form into a hydrate; to combine with water.
(2) - Hydrate (n.) A substance which does not contain water as such, but has its constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated; hence, a derivative of, or compound with, hydroxyl; hydroxide; as, ethyl hydrate, or common alcohol; calcium hydrate, or slaked lime.
(3) - Hydrate (n.) A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts.

(1) - Hydration (n.) The act of becoming, or state of being, a hydrate.