biohazard: Meaning and Definition of

bi•o•haz•ard

Pronunciation: (bī'ō-haz"urd), [key]
— n.
  1. a pathogen, esp. one used in or produced by biological research.
  2. the health risk posed by the possible release of such a pathogen into the environment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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