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单词 stearic acid
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stearic acid
1. Chemistry. Derived from or containing stearin. stearic acid (C18H36O2), an organic acid found mixed with palmitin and olein in most tallows. stearic ether, a compound of stearic acid with the alcohol radicals.
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1831 T. P. Jones New Conversat. Chem. xxx. 304 In the conversion of suet into soap, a third acid, called stearic, has also been detected.
1837 W. T. Brande in Todd's Cycl. Anat. & Physiol. II. 233/2 The stearic portion of train oil..concretes..at a temperature between 70° and 80°.
1838 R. D. Thomson Brit. Ann. 348 Stearic ether.
1898 T. C. Allbutt et al. Syst. Med. V. 35 Fatty crystals (palmitic and stearic)..are also found.
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