re·fract 
/rɪˈfrækt/ verb
re·fracts; re·fract·ed; re·fract·ing /rɪˈfrækt/ verb [+ obj] technical, of an object or substance : to make (light) change direction when it goes through at an angle
▪ Prisms refract light. ▪ Light is refracted when it hits water.
▪ Prisms refract light. ▪ Light is refracted when it hits water.
— re·frac·tion /rɪˈfrækʃən/ noun, plural re·frac·tions [count, noncount]
▪ the refraction of light through water
/rɪˈfrækʃən/ noun, plural re·frac·tions [count, noncount] ▪ the refraction of light through water
— re·frac·tive /rɪˈfræktɪv/ adjective
▪ the refractive properties of the glass
/rɪˈfræktɪv/ adjective ▪ the refractive properties of the glass
