As an adjective enhydrous
is (crystallography) having water within; containing fluid drops.
As a noun enhydros is
a geode of chalcedony containing trapped water.
(crystallography) Having water within; containing fluid drops.
A geode of chalcedony containing trapped water.
* 1875 : William Whitaker, B.A., F.G.S., ed, The Geological Record for 1874: An Account of Works on Geology, Minerology, and Palæontology published during the year
- ... the liquid obtained from the cavities of a specimen of ''enhydros'' , or "water-stone." It consists of clear water containing in solution a small proportion of certain salts, apparently the chlorides and sulphates of sodium, magnesium, and calcium.