| 释义 |
hy·drate
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(H2O)6]+++ >
b. : a compound containing hydroxyl
< camphene hydrate C10H17OH >
: 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 |