quinonoid
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quinonoid — [kwin′ə noid΄, kwi nō′noid] adj. [ QUINON(E) + OID] like quinone in structure, properties, etc … English World dictionary
Quinonoid zwitterion — A Quinonoid zwitterion is a special type of zwitterion based on quinone related chemical compounds. The benzene derivate 1,3 dihydroxy 4,6 diaminobenzene is easily oxidized by air in water or methanol to the quinonoid. This compound was first… … Wikipedia
quinonoid — or quinoid adjective Date: 1878 resembling quinone especially in having a 6 membered carbon ring containing two double bonds … New Collegiate Dictionary
quinonoid — adjective of, relating to, or having the structure of a quinone … Wiktionary
quinonoid — qui·no·noid kwi nō .nȯid, kwin ə .nȯid or quin·oid kwi .nȯid adj resembling quinone esp having a structure characterized by a benzene nucleus containing two instead of three double bonds within the nucleus and two external double bonds… … Medical dictionary
quinonoid — qui·no·noid … English syllables
quinonoid — quin•o•noid [[t]ˈkwɪn əˌnɔɪd, kwɪˈnoʊ nɔɪd[/t]] adj. chem. of or resembling quinone • Etymology: 1875–80 … From formal English to slang
quinonoid — /ˈkwɪnənɔɪd/ (say kwinuhnoyd), /kwəˈnoʊnɔɪd/ (say kwuh nohnoyd) adjective of or resembling quinone. {quinon(e) + oid} …
quinonoid — … Useful english dictionary
quinonoid formula — A formula based upon the diketone configuration of 1.4 quinone (benzoquinone), involving the rearrangement of the double bonds in a benzene nucleus; adopted to explain the formation of dyestuffs, e.g., coloured salts of compounds of the… … Dictionary of automotive terms
