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mesityl oxide

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mes⋅i⋅tyl ox⋅ide

[mez-i-til, mes-]
–noun Chemistry.
an oily, colorless liquid, C6H1 0O, having a honeylike odor: used chiefly as a solvent and in the manufacture of synthetic organic compounds.


Origin:
1870–75; mesityl < NL mesīt(a) (< Gk mestēs mediator, go-between, equiv. to mes- mes- + -ītēs -ite 1 ) + -yl
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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mes·i·tyl oxide   (měs'ĭ-tĭl)   
n.  An oily liquid, (CH3)2C:CHCOCH3, obtained from acetones and used as a solvent and in lacquers, paints, and varnishes.

[Greek mesītēs, mediator (from its use as an intermediate in organic synthesis) (from mesos, middle; see meso-) + -yl.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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