a hydrate that contains two molecules of water, as potassium sulfite, K2SO3⋅2H2O.
Origin of dihydrate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A chemical compound containing two molecules of water.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.