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Pronunciation: i'on-i-za'shun


  1. Dissociation into ions, occurring when an electrolyte is dissolved in water or certain liquids or when molecules are subjected to electrical discharge or ionizing radiation.
  2. Production of ions as a result of interaction of radiation with matter.

Synonym(s): iontophoresis

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.