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Medical Term:


Pronunciation: far′mă-kō-loj′ik, -loj′i-kăl


  1. Relating to pharmacology or to the composition, properties, and actions of drugs.
  2. Sometimes used in physiology to denote a dose (of a chemical agent that either is or mimics a hormone, neurotransmitter, or other naturally occurring agent) that is so much larger or more potent than would occur naturally that it might have qualitatively different effects.