[bahy-oh-trans-fer-mey-shuh n]


the series of chemical changes occurring in a compound, especially a drug, as a result of enzymatic or other activity by a living organism.

Nearby words

  1. biotinide,
  2. biotite,
  3. biotope,
  4. biotoxicology,
  5. biotoxin,
  6. biotron,
  7. biotroph,
  8. bioturbation,
  9. biotype,
  10. biovar

Origin of biotransformation

First recorded in 1950–55; bio- + transformation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for biotransformation




Chemical alteration of a substance, especially of a drug, within the body, as by the action of enzymes.biodegradation

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.