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单词 stearic
释义

stearicadj.

/stiːˈarɪk/
Etymology: < French stéarique (Chevreul c1819) < Greek στέαρ fat, tallow: see -ic suffix.
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.
ΚΠ
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.
2. stearic candle n. the trade name of a kind of candle made of the ‘stearine’ of commerce.
ΘΚΠ
the world > matter > light > artificial light > an artificial light > candle > [noun] > made from animal fat > made from stearin or stearic acid
composite candle1845
stearic candle1852
composition-candle1861
1852 Royle in Lect. Great Exhib. 485 The wax candles from Patna, and the stearic candles..from Calcutta.
This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2022).
<
adj.1831
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更新时间:2025/2/24 14:07:11