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Medical Term:

poison

Pronunciation: poy'zon

Definition:

  1. Any substance, either taken internally or applied externally, injurious to health or dangerous to life.
  2. A substance that inhibits a chemical reaction or inactivates a catalyst.

[Fr., fr. L. potio, potion, draught]

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