Noun
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.
Source: Webster's dictionaryWe frequently define an acid or a base as a substance whose aqueous solution gives, respectively, a higher concentration of hydrogen ion or of hydroxide ion than that furnished by pure water. This is a very one sided definition. Gilbert N. Lewis
After heating this substance with calcium hydroxide (slaked lime), a far more strongly basic substance known as caustic potash ( potassium hydroxide ) was produced. Source: Internet
After separation of the residue by filtering, pure gibbsite is precipitated when the liquid is cooled, and then seeded with fine-grained aluminium hydroxide. Source: Internet
A hydroxide attached to a strongly electropositive center may itself ionize, liberating a hydrogen cation (H + ), making the parent compound an acid. Source: Internet
Aluminium hydroxide is prepared at the treatment plant from aluminium sulfate by reacting it with sodium hydroxide or carbonate. Source: Internet
Ammonia added to water functions as Arrhenius base : it increases the concentration of the anion hydroxide. Source: Internet