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pentanone

noun pen·ta·none \ ˈpentəˌnōn \

Definition of pentanone

plural -s
: either of two isomeric flammable liquid ketones derived from normal pentane:
a : the unsymmetrical compound CH3CH2CH2COCH3 — called also methyl propyl ketone, 2-pentanone
b : the symmetrical compound (C2H5)2CO obtainable from propionic acid — called also diethyl ketone, 3-pentanone, propione

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Origin and Etymology of pentanone

pentane + -one

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