单词 | guaiacol |
释义 | Word Frequency guaiacol(ˈɡwaɪəˌkɒl) noun a yellowish oily creosote-like liquid extracted from guaiacum resin and hardwood tar, used medicinally as an expectorant. Formula: C7H8O2 Word origin from guaiac(um) + -ol2 |
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