Definitions

1. verb

to mix or add water to (a substance) to make it more fluid or to restore its original state.

“The mechanic had to hydrate the engine before putting it back together.”

2. verb

to absorb water from the air or other sources.

“The plant began to hydrate quickly after being placed in the moist soil.”

3. noun

water or another liquid added to a substance to make it more fluid or to restore its original state.

“The mechanic applied a hydrate to the engine to prevent rust.”

4. noun

a compound that is formed by the addition of water to another substance.

“The chemist studied the properties of a hydrate in the lab.”