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 • Jul. 26, 2023

Washing soda is the common name for a hydrate of sodium carbonate containing 10 water molecules; the systematic name is sodium carbonate decahydrate.

From Textbooks • Feb. 14, 2019

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

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 "Bohemia" to "Borgia, Francis" by Various

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