Hydrophane, hī′dro-fān, n. a partly translucent variety of opal which becomes transparent when wetted.—adj. Hydroph′anous. [Gr. hydōr, water, phainein, to shine.]
Hydrophidæ, hī-drof′i-dē, n.pl. a family of venomous sea-snakes. [Gr. hydōr, water, ophis, snake.]
Hydrophobia, hī-dro-fō′bi-a, n. an unnatural dread of water, a symptom of a disease known as Rabies, usually resulting from the bite of a mad dog—hence the disease itself.—adj. Hydrophob′ic. [Gr. hydōr, water, phobos, fear.]
Hydrophone, hī′dro-fōn, n. a marine electric apparatus for detecting the approach of a torpedo-boat, &c.
Hydrophore, hī′dro-fōr, n. an apparatus for obtaining specimens of water from any required depth.
Hydrophthalmia, hī-drof-thal′mi-a, n. an increase in quantity of the aqueous or the vitreous humour.
Hydrophyte, hī′dro-fīt, n. a plant living in water.—n. Hydrophytog′raphy, the branch of botany which describes such—also Hydrophytol′ogy. [Gr. hydōr, water, phyton, a plant, logia, discourse.]
Hydropsy, hī′drop-si, n. dropsy.—adjs. Hydrop′ic, Hydrop′tic, dropsical: thirsty.
Hydropult, hī′dro-pult, n. a hand force-pump.
Hydrosaurus, hī-dro-saw′rus, n. a genus of monitor-lizards, of aquatic habit, found in the Malay Peninsula, &c. [Gr. hydōr, water, sauros, a lizard.]