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Pronunciation: me'de-at


  1. Situated between; intermediate.
  2. To effect something by means of an intermediary substance, as in complement-mediated phagocytosis.

[L. mediatus, fr. medio, pp. -atus, to divide in the middle]

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