REFRACTION /ɹəˈfɹækʃən/ Scrabble 15 Words With Friends 17 Definition noun the change in direction of a propagating wave (light or sound) when passing from one medium to another. noun the amount by which a propagating wave is bent. — synonyms: deflection, deflexion See all 489 words you can make from REFRACTION → 10-letter words Words starting with R Words ending with N ← Unscramble different letters