单词 | picoline |
释义 | Word Frequency picoline(ˈpɪkəˌliːn, -lɪn) noun a liquid derivative of pyridine found in bone oil and coal tar; methylpyridene. Formula: C5H4N(CH3) Derived forms picolinic (ˌpɪkəˈlɪnɪk) adjective Word origin C19: from Latin pic-, pix pitch2 + -ol2 + -ine2 |
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