单词 | rufimoric |
释义 | > as lemmasrufimoric rufimoric adj. Brit. /ˌruːfɪˈmɔːrɪk/ , U.S. /ˌrufəˈmɔrɪk/ [ < rufi- comb. form + moric adj., after German Rufimorinsäure rufimoric acid (R. Wagner 1851, in Jrnl. f. prakt. Chem. 52 462)] now rare rufimoric acid n. a red acidic substance, not identified, obtained by heating morintannic acid (maclurin).ΚΠ 1851 Chem. Gaz. 16 June 266 A brick-red amorphous mass separates, which has the property of yielding a magnificent carmine solution on being mixed with the smallest quantity of ammonia or potash. On account of this property, the author calls this substance rufimoric acid. 1874 W. Crookes Pract. Handbk. Dyeing v. 407 A solution of moritannic acid in sulphuric acid deposits, after having been allowed to stand for some time, a new acid called rufimoric. 1920 J. M. Matthews Applic. Dyestuffs xxi. 492 If the strong acid solution is allowed to stand for some days it deposits brick-red crystals of rufimoric acid. < as lemmas |
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