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heptahydrate

American

[hep-tuh-hahy-dreyt] / ˌhɛp təˈhaɪ dreɪt /

noun

a hydrate that contains seven molecules of water, as magnesium sulfate, MgSO 4 ⋅7H 2 O.

Other Word Forms

heptahydrated

adjective

Etymology

Origin of heptahydrate

First recorded in 1870–75; hepta- + hydrate

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.