pentanone
noun
pen·ta·none
ˈpentəˌnōn
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
Word History
Etymology
pentane + -one