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prion

Pronunciation: /ˈpɹiːɒn/

The English word “prion” has 2 meanings listed here.

noun

  1. A self-propagating misfolded conformer of a protein that is responsible for a number of diseases that affect the brain and other neural tissue.
  2. A petrel of the genera Pachyptila and Halobaena.

Etymology

From (a reordering of) the initial letters of proteinaceous infectious particle. Coined by American neurologist and biochemist Stanley B. Prusiner in 1982.

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