Hydrous Vs. Anhydrous - Sciencing Hydrous and anhydrous are terms used in chemistry to describe substances that contain water and that are devoid of water, respectively Chemical compounds that are hydrous are called hydrates
HYDROUS definition in American English | Collins English Dictionary Definition of 'hydrous' hydrous in American English (ˈhaɪdrəs ) adjective Origin: hydro- + -ous containing water, esp water of crystallization or hydration [ said as of certain minerals and chemical compounds]
HYDROUS | definition in the Cambridge English Dictionary There is a deposition of minerals from the hot, hydrous fluids within the earth's crust It is a hydrous magnesium silicate that occurs in basic and ultrabasic igneous rocks