Meaning of proteinoid

pro•tein•oid

Pronunciation: (prō'tē-noid", -tē-u-), [key]
— n. Biochem.
  1. a polymer of amino acids resembling a biological polypeptide but formed abiotically: suggested as a possible intermediate in protein development during primitive earth conditions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.