单词 | camphor |
释义 | Word Frequency camphor(ˈkæmfə) noun a whitish crystalline aromatic terpene ketone obtained from the wood of the camphor tree or made from pinene: used in the manufacture of celluloid and in medicine as a liniment and treatment for colds. Formula: C10H16O Derived forms camphoric (kæmˈfɒrɪk) adjective Word origin C15: from Old French camphre, from Medieval Latin camphora, from Arabic kāfūr, from Malay kāpūr chalk; related to Khmer kāpōr camphor |
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