quinonoid

adjective qui·no·noid \ kwi-ˈnō-ˌnȯid , ˈkwi-nə- \
variants: or quinoid play \ˈkwi-ˌnȯid\

Definition of quinonoid

: resembling quinone especially in having a 6-membered carbon ring containing two double bonds

First Known Use of quinonoid

1878

in the meaning defined above

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Medical Dictionary

quinonoid

adjective qui·no·noid \ kwi-ˈnō-ˌnȯid , ˈkwin-ə-ˌnȯid \
variants: or quinoid play \ˈkwi-ˌnȯid\

medical Definition of quinonoid

: resembling quinone; especially : having a structure characterized by a benzene nucleus containing two instead of three double bonds within the nucleus and two external double bonds attached to the nucleus either at ortho or para positions (as in the two carbonyl groups of quinones)

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