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mesitylene

[mi-sit-l-een, mes-i-tl-]
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noun Chemistry.
  1. a colorless, liquid, aromatic hydrocarbon, C9H12, occurring naturally in coal tar and prepared from acetone: used chiefly as a chemical intermediate.
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Origin of mesitylene

1830–40; mesityl (see mesityl oxide) + -ene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for mesitylene

mesitylene

noun
  1. a colourless liquid that occurs in crude petroleum; 1,3,5-trimethylbenzene. Formula: C 6 H 3 (CH 3) 3
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Word Origin

C19: from mesityl, from mesite, from New Latin mesita, from Greek mesitēs mediator + -ene
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