noun
or qui·non·imine kwə̇ˈnōnəˌmēn, -_mə̇n
Etymology: International Scientific Vocabulary quinone + imine
1. : a colorless crystalline compound O . C 6 H 4 . NH regarded as derived from quinone (sense 1a) by replacement of one oxygen atom by the imino group but made by oxidation of para -aminophenol — called also p-benzoquinone imine, p-quinonimine
2. : a compound derived from a quinone by replacement of one or both oxygen atoms by the imino group