hydrates is a form of:

Hydrate



noun
1.
(a compound formed by the chemical combination of water with another compound or an element) អបោសំសដ្ឋកម្ម (វត្ថុអ្វីមួយដែលផ្សំនិងទឹក) ដើរដោយវីលីនធាតុ, ផ្សំនឹងទឹក
ENGLISH MEANING
noun
1.
A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts.
2.
A substance which does not contain water as such, but has its constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated; hence, a derivative of, or compound with, hydroxyl; hydroxide; as, ethyl hydrate, or common alcohol; calcium hydrate, or slaked lime.
verb
1.
(TRANSITIVE) To form into a hydrate; to combine with water.