ˈnī.ˌtrōn noun
( -s )
Etymology: nitr- + -one
: any of a class of compounds that contain the grouping >C . N(O)− consisting of carbon and oxygen attached to nitrogen and that are made from alkyl or aryl derivatives of hydroxylamine by interaction with aldehydes or ketones or from nitroso compounds and derivatives of diazomethane
phenyl- N -methyl- nitrone C 6 H 5 CH . N(O)−CH 3
oxime- nitrone tautomerism