HYDROTROPIC
Hy`dro*trop"ic, a. Etym: [See Hydrotrope.] (Bot.)

Defn: Turning or bending towards moisture, as roots.

HYDROTROPISM
Hy*drot"ro*pism, n. (Bot.)

Defn: A tendency towards moisture.

HYDROUS
Hy"drous, a. Etym: [Gr. "y`dwr water.]

1. Containing water; watery.

2. (Chem.)

Defn: Containing water of hydration or crystallization.

HYDROXANTHANE
Hy`dro*xan"thane, n. (Chem.)

Defn: A persulphocyanate. [Obs.]