hydrate
水合物,保湿,水合,保水
Definitions
- 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.
- 1
hy·drat·ed, hy·drat·ing.
- : to combine chemically with water.
Examples
One cubic foot of solid methane hydrate releases about 164 cubic feet of gas.
Known as "fire ice," methane hydrate is located in fairly vast quantities on the ocean floor.
I'm a big advocate of fracking, but I'll confess I haven't heard of methane hydrate since a geology class several years ago.
Launching this spring, it promises “repair, hydrate and renew.”
According to this hypothesis, ether is a hydrate of etherin.
Gelatinous hydrate of magnesia (as the last).199 Calcined magnesia (taken as the first).
Alunite, al′un-īt, n. a mineral consisting of common alum together with normal hydrate of aluminium.
There were just the slightest traces of concentrated amylene hydrate on her lips.
After cooling the last time, dilute with water and add sodium hydrate till neutral.