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单词 morintannic
释义

morintannicadj.

Brit. /mɒrɪnˈtanɪk/, U.S. /mɔrᵻnˈtænɪk/
Forms: 1800s– morintannic, 1800s– moritannic.
Origin: A borrowing from Latin. Etymon: Latin moritannicum.
Etymology: < scientific Latin moritannicum (in acidum moritannicum , R. Wagner 1850, in Jrnl. f. prakt. Chem. 51 91), neuter of moritannicus < mori- (in German Morin morin n.) + post-classical Latin tannicus tannic adj. Compare earlier quercitannic adj.In form morintannic after morin n. or French morintannique (1852 or earlier).
Chemistry. Now rare.
morintannic acid n. = maclurin n.
ΚΠ
1857 W. A. Miller Elements Chem. (1862) III. 602 Fustic furnishes a yellow colouring matter..termed moritannic acid.
1862 H. Watts tr. L. Gmelin Hand-bk. Chem. XV. 475 Morintannic acid dissolves in 6·4 pts. water at 20°.
1867 C. L. Bloxam Chemistry 601 The wood of Morus tinctoria, or fustic,..yields a crystalline yellow colour called moritannic acid.
1892 New Sydenham Soc. Lexicon Morintannic acid,..the name given by Wagner to a powder obtained from fustic, the wood of Maclura tinctorea, and now generally called Maclurin.
1914 Science 3 July 37/2 An examination of the [Osage orange] wood from Texas showed that it..contains moric acid and morintannic acid, the same as fustic wood.
1989 Merck Index (ed. 11) 5522/1 Maclurin,..morintannic acid; moritannic acid.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1857
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