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stearin

[stee-uh-rin, steer-in] /ˈsti ə rɪn, ˈstɪər ɪn/
noun
1.
Chemistry. any of the three glyceryl esters of stearic acid, especially C 3 H 5 (C 1 8 H 3 5 O 2) 3 , a soft, white, odorless solid found in many natural fats.
2.
the crude commercial form of stearic acid, used chiefly in the manufacture of candles.
Also, stearine
[stee-er-in, -uh-reen, steer-in] /ˈsti ər ɪn, -əˌrin, ˈstɪər ɪn/ (Show IPA)
.
Origin
1810-1820
1810-20; < French stéarine < Greek stéar fat, grease + French -ine -ine2; see -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for stearin
  • In the compound feed industry, yellow grease has replaced palm stearin as a feed component.
British Dictionary definitions for stearin

stearin

/ˈstɪərɪn/
noun
1.
Also called tristearin. a colourless crystalline ester of glycerol and stearic acid, present in fats and used in soap and candles; glycerol tristearate; glycerol trioctadecanoate. Formula: (C17H35COO)3C3H5
2.
another name for stearic acid, esp a commercial grade containing other fatty acids
3.
fat in its solid form
Word Origin
C19: from French stéarine, from Greek stear fat, tallow + -in
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
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Word Origin and History for stearin
n.

white crystalline compound found in animal and vegetable fats, 1817, from French stéarine, coined by French chemist Marie-Eugène Chevreul (1786-1889) from Greek stear (genitive steatos) "tallow, fat" (see stone (n.)). Stearic acid (1831) is a partial translation of French acide stéarique.

Online Etymology Dictionary, © 2010 Douglas Harper
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stearin in Science
stearin (stē'ər-ĭn, stîr'ĭn) also stearine
  (stē'ər-ĭn, stîr'ĭn)   
  1. A colorless, odorless, tasteless ester of glycerol and stearic acid found in most animal and vegetable fats and used in the manufacture of soaps, candles, metal polishes, and adhesives.Chemical formula: C57H110O6.

  2. The solid form of fat.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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