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单词 benzoic
释义

benzoicadj.

Brit. /bɛnˈzəʊɪk/, U.S. /bɛnˈzoʊɪk/
Etymology: < benzo- (in benzoin n.) + -ic suffix. (The first of the chemical terms so formed.)
Chemistry.
Of or derived from benzoin; as benzoic acid n. C7H6O2 (= C6H5.CO.OH), a monobasic acid of the Aromatic series, existing in large quantity in gum benzoin, from which it was at first prepared.
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the world > matter > chemistry > organic chemistry > organic acids > [noun] > phenolic acids, named
benzoic acid1791
oil of spiraea1842
toluic acid1857
itatartaric acid1872
aspirin1899
phenylarsonic acid1905
tar acid1909
pteroic acid1946
1791 W. Hamilton tr. C.-L. Berthollet Elements Art of Dyeing I. i. i. v. 85 Benzoic acid, or salt of benzoin.
1819 J. G. Children Ess. Chem. Anal. 274 Benzoic acid, formed from gum benzoin, is solid, white, and slightly ductile..it crystallizes in long white opaque prisms, with a satiny lustre.
1830 J. Lindley Introd. Nat. Syst. Bot. 303 The fragrance of some grasses..depends, according to Vögel, upon the presence of Benzoic acid.
This entry has not yet been fully updated (first published 1887; most recently modified version published online December 2021).
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adj.1791
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