stearate

American

[stee-uh-reyt, steer-eyt] / ˈsti əˌreɪt, ˈstɪər eɪt /

noun

Chemistry.

a salt or ester of stearic acid.

stearate British

/ ˈstɪəˌreɪt /

noun

any salt or ester of stearic acid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

stearate Scientific

/ stē′ə-rāt′,stîr′āt′ /

A salt or ester of stearic acid, containing the group C ₁₇ H ₃₅ COO.

Etymology

Origin of stearate

First recorded in 1835–45; stear(ic acid) + -ate ²

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.

The team also explored whether it is possible to visually tell apart real microplastics from stearate particles.

From Science Daily • Mar. 29, 2026

This is likely because they are made without stearate coatings and are intended for use in highly controlled environments.

From Science Daily • Mar. 29, 2026

Triethanolamine, stearic acid, glyceryl stearate, magnesium aluminum silicate and PEG-75 lanolin oil are emulsifiers that enable the other ingredients to mix and form a smooth lotion.

From Time Magazine Archive

I am not prepared at present to state the exact reaction which takes place between salts of calcium and magnesium and a compound soap containing sodium oleate and stearate.

From Scientific American Supplement, No. 441, June 14, 1884. by Various

Additional evidence of the large proportion of oleic acid was furnished by forming the lead salt, and treating with ether, in which lead oleate is soluble, the stearate and palmitate being insoluble.

From Scientific American Supplement, No. 488, May 9, 1885 by Various

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