Meaning of prion

pri•on

Pronunciation: (prī'on), [key]
— n.
  1. any of several petrels of the genus Pachyptila, located in the oceans of the Southern Hemisphere and having serrated edges on the bill.

pri•on

Pronunciation: (prī'on), [key]
— n. Microbiol.
  1. a hypothetical infectious particle composed solely of protein and likened to viruses and viroids but having no genetic component.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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