单词 | alizarin |
释义 | a·liz·a·rin ![]() n. An orange-red crystalline compound, C14H8O4, used as an acid-base indicator and in making dyes. [French alizarine, from alizari, madder root, from Spanish, probably from Arabic al-'uṣāra, the juice : al-, the + 'uṣāra, juice (from 'aṣara, to squeeze; see ʿṣr in the Appendix of Semitic roots).] |
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