refract
vt, vi (of water, air, glass, etc) chepuka, pinda; pindisha. refraction n mchepuko, uchepukaji. angle of ~ion n pembe mchepuko. ~ed ray adj lenzi/ mwali mchepuko. refractor n. refractory adj 1 -kaidi. 2 (of substance) -gumu. refractoriness n.