Definition of phototropism

Scrabble & Words with friends points


  • phototropism is a valid Scrabble US word with a point value of 21
  • phototropism is a valid Scrabble UK word with a point value of 21
  • phototropism is a valid Words with friends word with a point value of 23

Definition of phototropism


  • an orienting response to light (noun)

See definition of phototropism in Merriam Webster