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Medical Term:

alkaline reaction


  1. any test by which an alkaline reaction is recognized, such as the change of red litmus paper to blue;
  2. an excess of hydroxide ions over hydrogen ions in aqueous solution as indicated by a pH value exceeding 7 (at 22°C).

Synonym(s): basic reaction

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.