Definition of refract verb from the Oxford Advanced Learner's Dictionary

 

refract

 verb
verb
BrE BrE//rɪˈfrækt//
 
; NAmE NAmE//rɪˈfrækt//
 
Verb Forms present simple I / you / we / they refract
BrE BrE//rɪˈfrækt//
 
; NAmE NAmE//rɪˈfrækt//
 
he / she / it refracts
BrE BrE//rɪˈfrækts//
 
; NAmE NAmE//rɪˈfrækts//
 
past simple refracted
BrE BrE//rɪˈfræktɪd//
 
; NAmE NAmE//rɪˈfræktɪd//
 
past participle refracted
BrE BrE//rɪˈfræktɪd//
 
; NAmE NAmE//rɪˈfræktɪd//
 
-ing form refracting
BrE BrE//rɪˈfræktɪŋ//
 
; NAmE NAmE//rɪˈfræktɪŋ//
 
Energy and physical forces
 
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refract something (physics) (of water, air, glass, etc.) to make waves, such as those of light, sound or energy, change direction when they go through at an angle Light is refracted when passed through a prism. See related entries: Energy and physical forces Word Origin early 17th cent.: from Latin refract- ‘broken up’, from the verb refringere, from re- ‘back’ + frangere ‘to break’.
See the Oxford Advanced American Dictionary entry: refract