单词 | paratartaric |
释义 | > as lemmasparatartaric paratartaric adj. Brit. /ˌparətɑːˈtarɪk/ , U.S. /ˌpɛrəˌtɑrˈtɛrɪk/ : paratartaric acid [ < para- prefix1 + tartaric adj.1, after scientific Latin acidum paratartaricum (Berzelius 1830, in Ann. der Physik u. Chem. 19 328)] now historical= racemic acid n. at racemic adj. 1a.ΚΠ 1847 W. Gregory Outl. Chem. (rev. ed. 2) ii. xxiii. 449 Racemic Acid... Syn. Paratartaric acid. 1876 tr. P. Schützenberger On Fermentation 6 Paratartaric acid easily splits up..into dextro-tartaric and lævo-tartaric acid. 2000 S. Garfield Mauve vii. 80 He [sc. William Perkin] was informed that the contents of a small glass phial he had supplied had been analysed as pure paratartaric acid, then regarded as a novel and important synthesis. < as lemmas |
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