: containing water usually in chemical association (as in hydrates)
Example Sentences
Recent Examples on the WebWhen water interacts with rock, chemical weathering forms clays and other hydrous minerals that contain water as part of their mineral structure. Mike Wehner, BGR, 16 Mar. 2021
Word History
First Known Use
1826, in the meaning defined above
Medical Definition
hydrous
adjective
hy·drous ˈhī-drəs
: containing water usually in chemical association (as in hydrates)