terpin hydrate

[ tur-pin ]

/ ˈtɜr pɪn /

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a white, crystalline powder, C10H20O2⋅H2O, usually used in combination with codeine, as an expectorant.

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First recorded in 1865–70; terp(ene) + -in²

One cubic foot of solid methane hydrate releases about 164 cubic feet of gas.
Is 'Fire Ice' the Next Fracking?|Justin Green|March 12, 2013|DAILY BEAST
Known as "fire ice," methane hydrate is located in fairly vast quantities on the ocean floor.
Is 'Fire Ice' the Next Fracking?|Justin Green|March 12, 2013|DAILY BEAST
I'm a big advocate of fracking, but I'll confess I haven't heard of methane hydrate since a geology class several years ago.
Is 'Fire Ice' the Next Fracking?|Justin Green|March 12, 2013|DAILY BEAST
Launching this spring, it promises “repair, hydrate and renew.”
Michelle Obama wears Prabal Gurung; Melania Trump Wants You To Have Nice Skin|The Fashion Beast Team|October 19, 2012|DAILY BEAST

According to this hypothesis, ether is a hydrate of etherin.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Gelatinous hydrate of magnesia (as the last).199 Calcined magnesia (taken as the first).
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
Alunite, al′un-īt, n. a mineral consisting of common alum together with normal hydrate of aluminium.
Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)|Various
There were just the slightest traces of concentrated amylene hydrate on her lips.
The Riddle of the Mysterious Light|Mary E. Hanshew
After cooling the last time, dilute with water and add sodium hydrate till neutral.
Detection of the Common Food Adulterants|Edwin M. Bruce