Skip to Content


Pronunciation: an′ōd


  1. The positive pole of a galvanic battery or the electrode connected with it; an electrode toward which negatively charged ions (anions) migrate (in electrophoresis); a positively charged electrode.
  2. The portion, usually made of tungsten, of an x-ray tube from which x-rays are released by bombardment by cathode rays (electrons).

Synonym(s): positive electrode

[G. anodos, a way up, fr. ana, up, + hodos, a way]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2019 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.