quinonoid

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

Keep scrolling for more

Learn More about quinonoid

Statistics for quinonoid

Look-up Popularity

Time Traveler for quinonoid

The first known use of quinonoid was in 1878

See more words from the same year

Keep scrolling for more

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 quinoid (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)

Comments on quinonoid

What made you want to look up quinonoid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

concealment of treason or felony

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!