hydration number

noun

1. the number of molecules of water with which an ion can combine in an aqueous solution of given concentration.

Word History and Origins

Origin of hydration number¹

hydrate + -ion

Example Sentences

Others include a bone mineral density reading and, in the InBody 720 unit that will travel in the PGA Tour’s rehabilitation trailer, a body hydration number that reveals whether a player has consumed the proper amount of fluids.

From New York Times