Literally, with water. Refers to mineral or other materials which have water as a primary constituent.
Hydrous - Containing water as part of the chemical formula.
containing combined water (especially water of crystallization as in a hydrate)
Containing chemically combined water.
mineral compound containing water
Containing water, water of crystallization or hydration, as certain minerals or chemical compounds.
An adjective applied to water-bearing substances.
having water as a constituent. [AHDOS
