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decahydrate

American

[dek-uh-hahy-drit, -dreyt] / ˌdɛk əˈhaɪ drɪt, -dreɪt /

noun

Chemistry.

a hydrate that contains ten molecules of water, as washing soda, Na 2 CO 3 ⋅10H 2 O.

Other Word Forms

decahydrated adjective

Etymology

Origin of decahydrate

First recorded in 1900–05; deca- + hydrate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Borax, or sodium borate decahydrate, is a salt made of a combination of boron, sodium, oxygen and hydrogen.

From Salon

The inner box contained a can full of the chemical sodium sulfate decahydrate, which rested on top of the glass tubes and kept the cells from overheating.

From Scientific American

Its maximum solubility in water is at 34�; above that temperature it ceases to exist in the solution as a decahydrate, but changes to the anhydrous salt, the solubility of which decreases with rise of temperature.

From Project Gutenberg

The pentahydrate is deposited between 79� C. and 56� C.; below this temperature the decahydrate or ordinary borax, Na2B4O7�10H2O, is deposited.

From Project Gutenberg

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