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tetrahydrate

[te-truh-hahy-dreyt] /ˌtɛ trəˈhaɪ dreɪt/
noun, Chemistry
1.
a hydrate that contains four molecules of water, as potassium sodium tartrate, KNaC 4 H 4 O 6 ·4H 2 O.
Origin
1885-1890
1885-90; tetra- + hydrate
Related forms
tetrahydrated, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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