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单词 butic
释义

buticadj.

Origin: A borrowing from German, combined with an English element. Etymons: German Butinsäure , -ic suffix.
Etymology: < but- (in German Butinsäure (1853) < Butin butine n. + Säure acid) + -ic suffix.
Chemistry. Obsolete.
butic acid n. a solid fatty acid obtained from butter.The composition of this acid is unclear.
ΚΠ
1853 Chem. Gaz. 1 Dec. 442 It appears very probable that its composition is to be expressed by the formula C40H40O4. For this new acid the author [sc. Heintz] proposes the name of butic acid.
1867 C. L. Bloxam Chemistry 582 Butter..contains also butine, which yields glycerine and butic acid (HO.C40H39O3) when saponified.
This entry has been updated (OED Third Edition, September 2018).
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adj.1853
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