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pentahydrate

American  
[pen-tuh-hahy-drayt] / ˌpɛn təˈhaɪ dreɪt /

noun

Chemistry.

  1. a hydrate that contains five molecules of water, as potassium molybdate, KMoO 4 ⋅5H 2 O.

Other Word Forms

Etymology

Origin of pentahydrate

First recorded in 1915–20; penta- + hydrate

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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.

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