1. Hydrateorigin, andvery poororcompletelylacking in proteins
1. variable noun A hydrate is a chemical compound that contains water. If a substance hydrates your skin, it makes it softer and less dry. a chemical compound containing water that is chemically combined with a substance and can usually be expelled without changing the constitution of the substance
A lotion can hydrate the skin. (slang) To drink water. To drink water or other liquid or administer a liquid to (a patient) in an effort to prevent or treat dehydration. A solid compound containing water molecules combined in a definite ratio as an integral part of the crystal.
Hydrate formation is common for active ingredient. Many manufacturing processes provide an opportunity for hydrates to form and the state of hydration can be changed with environmental humidity and time.
a hydrate in which there are two molecules of the compound for each molecule of water.