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picoline

[pik-uh-leen, -lin]
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noun Chemistry.
  1. any of three isomeric methyl derivatives of pyridine having the formula C6H7N, obtained from coal tar as a colorless oily liquid with a strong odor.
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Origin of picoline

1850–55; < Latin pic- (stem of pix) pitch2 + -ol2 + -ine2
Related formspic·o·lin·ic [pik-uh-lin-ik] /ˌpɪk əˈlɪn ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for picoline

picoline

noun
  1. a liquid derivative of pyridine found in bone oil and coal tar; methylpyridene. Formula: C 5 H 4 N(CH 3)
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Derived Formspicolinic (ˌpɪkəˈlɪnɪk), adjective

Word Origin

C19: from Latin pic-, pix pitch ² + -ol ² + -ine ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012