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picoline

American  
[pik-uh-leen, -lin] / ˈpɪk əˌlin, -lɪn /

noun

Chemistry.

  1. any of three isomeric methyl derivatives of pyridine having the formula C 6 H 7 N, obtained from coal tar as a colorless oily liquid with a strong odor.

picoline British  
/ -lɪn, ˌpɪkəˈlɪnɪk, ˈpɪkəˌliːn /

noun

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

"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

Other Word Forms

  • picolinic adjective

Etymology

Origin of picoline

1850–55; < Latin pic- (stem of pix ) pitch 2 + -ol 2 + -ine 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.