| 单词 |
roccellin |
| 释义 |
rocˈcellin Chem. Also -ine. [f. as prec. + -in1, -ine5.] A coal-tar colour used in dyeing, derived from the orchil lichen.
1852Gregory Org. Chem. (ed. 3) 307 Rocelline..is neutral, yields no red colour with bleaching liquor. |

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