单词 | hydrate |
释义 | hydrate —hydration, n. /huy"drayt/, n. , v. , hydrated, hydrating. n. 1. any 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. 2. to combine chemically with water. [1795-1805; HYDR-1 + -ATE2] |
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