1) Causing deflection 2) Crooked 3) Refractive 1) Crooked 
• (a.) Causing deflection.
De·flect'ive adjective Causing deflection. Deflective forces , 
[adj] - capable of changing the direction (of a light or sound wave)
deflect, deflects, deflectable, deflective, deflector 1. To change course because of hitting something, or change something's course by coming into contact with it. 2. To turn aside or cause to turn aside; to bend or to deviate. 3. To direct people's attention or criticism away from a subject or issue to something else. 4. To force someone to ch...
refractive adjective capable of changing the direction (of a light or sound wave)
causing deflection.