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methyl isobutyl ketone

noun Chemistry.
  1. a colorless, slightly water-soluble, flammable liquid, C6H12O, having a pleasant odor: used as a solvent for nitrocellulose, gums, resins, fats, waxes, and oils.
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Origin of methyl isobutyl ketone

First recorded in 1885–90
Also called hexone.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for methyl isobutyl ketone

methyl isobutyl ketone

noun
  1. a colourless insoluble liquid ketone used as a solvent for organic compounds, esp nitrocellulose; 4-methylpentan-2-one. Formula: (CH 3) 2 CHCH 2 COCH 3Also called: hexone
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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