| 单词 | hennotannic acid |
| 释义 | > as lemmashennotannic acid hennotannic acid n. a reddish-orange crystalline acidic compound responsible for the colour of henna; also called lawsone.Chemical name: 2-hydroxy-1,4-naphthoquinone; C10H6O3.extracted from hennotannicadj.< as lemmas |
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