Definition of prion

Scrabble & Words with friends points


  • prion is a valid Scrabble US word with a point value of 7
  • prion is a valid Scrabble UK word with a point value of 7
  • prion is a valid Words with friends word with a point value of 9

Definition of prion


  • (microbiology) an infectious protein particle similar to a virus but lacking nucleic acid; thought to be the agent responsible for scrapie and other degenerative diseases of the nervous system (noun)

See definition of prion in Merriam Webster