re ‧ fract /rɪˈfrækt/ BrE AmE verb [transitive]
[ Date: 1600-1700 ; Language: Latin ; Origin: past participle of refringere 'to break open' , from frangere 'to break' ]
technical if glass or water refracts light, the light changes direction when it passes through the glass or water
—refraction /rɪˈfrækʃ ə n/ noun [uncountable]