A name given to several astringent substances, containing from 40 to 55 per cent. of tannin, which are obtained from the bark, wood, or fruits of…
| 单词 | θ70052 |
| 释义 | the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > others > catechu (3) catechu1682 A name given to several astringent substances, containing from 40 to 55 per cent. of tannin, which are obtained from the bark, wood, or fruits of… Terra Japonica1682 = catechu, n., formerly also known as Japonic earth. Subcategories:— neocatechu (1) |
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