Medical Dictionary
quinone
noun qui·none \kwin-ˈōn, ˈkwin-ˌ\
Medical Definition of QUINONE
1
: either of two isomeric cyclic crystalline compounds C6H4O2 that are extremely irritating to the skin and mucous membranes
2
: any of various usually yellow, orange, or red quinonoid compounds including several that are biologically important as coenzymes, hydrogen acceptors, or vitamins
Seen & Heard
What made you want to look up quinone? Please tell us where you read or heard it (including the quote, if possible).