noun which may take the genitive case particle 'no'
hydrated; hydrous; water-containing
Technical term used in chemistry, geology, and materials science to describe a substance that contains water, often as water of crystallization or moisture.
含水化合物は加熱すると水を失う。
Hydrated compounds lose water when heated.
この土壌は含水率が高い。
This soil has a high water content.