HYDRANGEA
Hy*dran"ge*a, n. Etym: [NL., fr. Gr. "y`dwr water + hydrangée.]
(Bot.)
Defn: A genus of shrubby plants bearing opposite leaves and large heads of showy flowers, white, or of various colors. H. hortensis, the common garden species, is a native of China or Japan.
HYDRANT
Hy"drant, n. Etym: [Gr. "y`dwr water. See Hydra.]
Defn: A discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks; a water plug.
HYDRANTH
Hy"dranth, n. Etym: [Hydra + Gr. (Zoöl.)
Defn: One of the nutritive zooids of a hydroid colony. Also applied to the proboscis or manubrium of a hydroid medusa. See Illust. of Hydroidea.
HYDRARGOCHLORIDE
Hy*drar"go*chlo"ride, n. Etym: [Hydrargyrum + chloride.] (Chem.)
Defn: A compound of the bichloride of mercury with another chloride.
[Obs.]
HYDRARGYRATE
Hy*drar"gy*rate, a.
Defn: Of or pertaining to mercury; containing, or impregnated with, mercury. [R.]