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Glossary of Chemistry Terms
beginning with letter Q
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quantum chemistry Tweet Definition of quantum chemistry Like Definition of quantum chemistry on Facebook
noun
  1. (chemistry),(physics) the application of quantum mechanics to chemical problems
quaternary ammonium compound Tweet Definition of quaternary ammonium compound Like Definition of quaternary ammonium compound on Facebook
noun
  1. (chemistry) An amine derivative, containing four radicals, of general formula R1R2R3R4-N+X-; the radicals may be the same, different, or part of a ring; X is any univalent cation such as OH-.
quicklime Tweet Definition of quicklime Like Definition of quicklime on Facebook
noun
  1. lime, (calcium oxide), produced by heating limestone; on treatment with water it gives slaked lime
quinhydrone Tweet Definition of quinhydrone Like Definition of quinhydrone on Facebook
noun
  1. (chemistry) a molecular complex of a quinone and its corresponding hydroquinone
quinine Tweet Definition of quinine Like Definition of quinine on Facebook
noun
  1. (pharmaceutical drug) A bitter colourless powder, an alkaloid derived from cinchona bark, used to treat malaria and as an ingredient of tonic water.
quinoline Tweet Definition of quinoline Like Definition of quinoline on Facebook
noun
  1. (chemistry) Any of a class of aromatic heterocyclic compounds containing a benzene ring fused with a ring of five carbon atoms and an nitrogen atom; especially the simplest one, C9H7N.
quinone Tweet Definition of quinone Like Definition of quinone on Facebook
noun
  1. (chemistry) any of a class of aromatic compounds having two carbonyl functional groups in the same six-membered ring
    1. benzoquinone
quinonimine Tweet Definition of quinonimine Like Definition of quinonimine on Facebook
noun
  1. (chemistry) any of a class of imines formally derived from a quinone by replacing one or both oxygens with =NR
quinonoid Tweet Definition of quinonoid Like Definition of quinonoid on Facebook
adjective
  1. (chemistry) of, relating to, or having the structure of a quinone

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