OPSIN
- a type of protein (a nitrogenous organic compound, also PROTEID, PROTEIDE) [n -S]
- a type of protein (a nitrogenous organic compound) [n OPSINS]
- any of several compounds that form the protein component of the light-sensitive retina pigment, rhodopsin
SCRABBLE® is a registered trademark, and all intellectual property rights in and to the game of Scrabble® are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, which is a subsidiary of Mattel Inc. scrabble-solver.com is not affiliated with SCRABBLE®, Mattel, Spear, or Hasbro in any way.