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stearic acid

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.


stearic acid

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
“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


stearic acid

/ stē-ărĭk,stîrĭk /

  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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Word History and Origins

Origin of stearic acid1

First recorded in 1825–35
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Example Sentences

The pins for the Shawinigan line were boiled in stearic acid.

Stearic acid, prepared by the above process, contains combined water, from which it cannot be freed.

The preceding numbers will serve to regulate the manufacture of stearic acid for the purpose of making candles.

This operation having been accomplished, the piston table is lowered, and the machine is ready to receive the stearic acid.

Concrete primed with an 8% solution of stearic acid and rosin dissolved in benzine.

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stearicstearin