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