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单词 quinonoid
释义

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

Word History

First Known Use

1878, in the meaning defined above

Medical Definition

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)
: 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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更新时间:2024/12/23 0:19:32