Definition of opsin

Scrabble & Words with friends points


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

Definition of opsin


  • retinal protein formed by the action of light on rhodopsin (noun)

See definition of opsin in Merriam Webster