Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A preparation that is synthesized from living organisms or their products, especially a human or animal protein, such as a hormone or antitoxin, that is used as a diagnostic, preventive, or therapeutic agent.

from The Century Dictionary.

  • Same as biological.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Of or relating to biology.
  • adjective related by blood; -- of parents and children; -- contrasted with adoptive, adopted, or foster.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of or pertaining to biology.
  • adjective Pertaining to a living or a once-living organism.
  • noun An extremely complex drug, vaccine or antitoxin that is made from a living organism, or from products of a living organism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective pertaining to biology or to life and living things

Etymologies

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Examples

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