quinonoid

adjective
qui·​no·​noid | \ kwi-ˈnō-ˌnȯid How to pronounce quinonoid (audio) , ˈkwi-nə- How to pronounce quinonoid (audio) \
variants: or quinoid \ ˈkwi-​ˌnȯid How to pronounce quinonoid (audio) \

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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The first known use of quinonoid was in 1878

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Dictionary Entries Near quinonoid

quinonize

quinonoid

quinonyl

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Cite this Entry

“Quinonoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quinonoid. Accessed 27 Sep. 2021.

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More Definitions for quinonoid

quinonoid

adjective
qui·​no·​noid | \ kwi-ˈnō-ˌnȯid How to pronounce quinonoid (audio) , ˈkwin-ə-ˌnȯid How to pronounce quinonoid (audio) \
variants: or quinoid \ ˈkwi-​ˌnȯid How to pronounce quinonoid (audio) \

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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