I. ˈhīˌdrāt, -_drə̇t, usu -d.+V noun
( -s )
Etymology: International Scientific Vocabulary hydr- + -ate (n. suffix)
: a product of hydration: as
a. : a compound or complex ion formed by the union of water with some other substance and represented as actually containing water : a solvate containing molecules of water — compare water of crystallization , water of hydration
Glauber's salt is a hydrate
the aluminum ion forms a hydrate [Al(H 2 O) 6 ] +++
b. : a compound containing hydroxyl
camphene hydrate C 10 H 17 OH
: hydroxide
calcium hydrate
— used chiefly commercially
II. -ˌdrāt verb
( -ed/-ing/-s )
Etymology: International Scientific Vocabulary hydr- + -ate (v. suffix)
transitive verb
1. : to cause to take up or combine with water or with hydrogen and hydroxyl in the proportion in which they form water (as by chemical reaction or by adsorption) : subject to hydration — compare aquate
2. : to maintain or restore the normal proportion of fluid in the body of especially by oral or intravenous administration
3. : to subject (paper pulp) to prolonged beating especially in making glassine and greaseproof papers in order to increase moisture resistance
intransitive verb
: to take up or combine with water or with hydrogen and hydroxyl : undergo hydration