单词 | pyroracemic |
释义 | > as lemmaspyroracemic pyroracemic adj. Brit. /ˌpʌɪrə(ʊ)rəˈsiːmɪk/ , U.S. /ˌpaɪroʊˌreɪˈsimɪk/ , /ˌpaɪroʊrəˈsimɪk/ now rare pyroracemic acid = pyruvic acid n. at pyruvic adj. 1.ΚΠ 1835 J. Murray Tables & Diagrams Chem. & Pharmacy 66 (table) Pyrotartaric and pyroracemic acids. 1866–8 H. Watts Dict. Chem. IV. 770 Pyroracemic acid is a liquid having a faint yellowish colour, smelling like acetic acid. 1950 Thorpe's Dict. Appl. Chem. (ed. 4) X. 339/1 Pyruvic acid, pyroracemic acid..is formed by the distillation of glyceric acid, of cream of tartar, and of tartaric acid. 1997 Lett. Appl. Microbiol. 29 337 The biosynthesis of glucose oxidase and catalase was promoted by MnCO3, thioglycolic acid, pyroracemic acid and gluconic acid. < as lemmas |
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