hydroxide Meaning, Definition & Usage

  1. noun a compound of an oxide with water
    hydrated oxide.
  2. noun a chemical compound containing the hydroxyl group

WordNet

Hy*drox"ide noun
Etymology
Hydro-, 2 + oxide.
Definitions
  1. (Chem.) A hydrate; a substance containing hydrogen and oxygen, made by combining water with an oxide, and yielding water by elimination. The hydroxides are regarded as compounds of hydroxyl, united usually with basic element or radical; as, calcium hydroxide ethyl hydroxide.

Webster 1913