单词 | taigu |
释义 | taiguadj. taigu wood n. also called lapacho wood: see quot. ΘΚΠ society > occupation and work > materials > raw material > wood > wood of specific trees > [noun] > other woods of South American trees letterwood1655 kingwood1788 canary wood1822 saouari wooda1832 macaco-wood1835 paddlewood1837 quebracho1839 mustaiba1843 violet-wood1843 taigu wood1868 rauli1874 louro1914 balsa wood1917 palisander1930 1868 H. Watts Dict. Chem. V. 655 Taigu wood, a wood from Paraguay, resembling guaiacum-wood in appearance and specific gravity. Derivatives taiguic acid n. Chemistry an acid obtained from this wood. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > from wood taiguic acid1868 1868 H. Watts Dict. Chem. V. 655 Taiguic acid..occurs in the cold alcoholic extract of taigu wood. 1892 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) III. 119 Lapachic acid, C15H14O3; Oxy-amenyl-naphtho-quinone; Taiguic acid..a yellow colouring matter present in the ‘lapacho’ wood of a genus of the Bignoniaceæ. This entry has not yet been fully updated (first published 1910; most recently modified version published online June 2018). < adj.1868 |
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