n.
Function: verb
Inflected Form: hy · drat · ed ; hy · drat · ing
Date: 1846
transitive verb
1 : to cause to take up or combine with water or the elements of water
2 : to supply with ample fluid or moisture < hydrate s and softens the skin>
intransitive verb : to become a hydrate
– hy · dra · tion \ h ī - ' dr ā -sh ə n \ noun
– hy · dra · tor \ ' h ī - ˌ dr ā -t ə r \ noun