biological

biological definition - medical

bi·o·log·i·cal (bīˌə-lŏjˈĭ-kəl)

adjective
  1. Of, relating to, caused by, or affecting life or living organisms.
  2. Having to do with biology.
  3. Related by blood, as in a child's biological parents.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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