| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024hy•drate (hī′drāt),USA pronunciation n., v., -drat•ed, -drat•ing. n. - Chemistryany of a class of compounds containing chemically combined water. In the case of some hydrates, as washing soda, Na2CO3·10H2O, the water is loosely held and is easily lost on heating;
in others, as sulfuric acid, SO3·H2O, or H2SO4, it is strongly held as water of constitution.
v.t., v.i. - Chemistryto combine chemically with water.
hy•dra′tion, n. |