bu·ta·none (byū'tə-nōn')
n.
A colorless, flammable ketone, CH₃COCH₂CH₃, used in lacquers, paint removers, cements and adhesives, cleaning fluids, and celluloid. Also called methyl ethyl ketone.

[BUTAN(E) + -ONE.]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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