stearic acid

American  

noun

Chemistry.

1. a colorless, waxlike, sparingly water-soluble, odorless solid, C 1 8 H 3 6 O 2 , the most common fatty acid, occurring as the glyceride in tallow and other animal fats and in some animal oils: used chiefly in the manufacture of soaps, stearates, candles, cosmetics, and in medicine in suppositories and pill coatings.

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stearic acid British  

noun

1. a colourless odourless insoluble waxy carboxylic acid used for making candles and suppositories; octadecanoic acid. Formula: CH 3 (CH 2 ) 16 COOH See also stearin

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stearic acid Scientific  

/ stē-ăr′ĭk,stîr′ĭk /

1. A colorless, odorless, waxlike fatty acid occurring in animal and vegetable fats and used in making soaps, candles, lubricants, and other products. Chemical formula: C ₁₈ H ₃₆ O ₂ .

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Etymology

Origin of stearic acid

First recorded in 1825–35

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Example Sentences

See Examples For:

stearic acid

Dryer sheets don’t magically make clothes inherently softer, they make them feel softer by coating them with a softening agent, like stearic acid.

From Slate ● Apr. 17, 2023

Dark chocolate is higher in fat than milk chocolate, but much of it is a combination of the heart-healthy monounsaturated kind and stearic acid, a type of saturated fat that doesn’t raise cholesterol.

From Washington Post ● Feb. 21, 2022

To be fair, some saturated fats – such as stearic acid and lauric acid – have recently been shown to have neutral effects on blood cholesterol levels.

From US News ● Oct. 14, 2015

Animal fats with stearic acid and palmitic acid contained in meat, and the fat with butyric acid contained in butter, are examples of saturated fats.

From Textbooks ● Apr. 25, 2013

This amount of pure oleic acid would require 33.95 c.c.; of pure stearic acid, which has almost the same molecular weight as oleic acid, 33.71 c.c.; or of pure palmitic acid, 37.4 c.c.

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

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