refraction Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “refraction” in the English Dictionary

"refraction" in British English

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refractionnoun [U]

uk   /rɪˈfræk.ʃən/  us   /rɪˈfræk.ʃən/ specialized
the ​fact of ​light or ​sound being ​caused to ​changedirection or to ​separate when it ​travels through ​water, ​glass, etc.
absolute index of refraction
a ​calculation of the ​relationship between the ​speed of ​lightmoving through a medium (= ​substance) and the ​speed of ​light in a vacuum (= an ​area with no ​matter in it)
angle of refraction
the ​angle that a ​beam of ​light or other ​energy that is refracted by a ​surface makes with a ​linevertical to that ​surface
(Definition of refraction from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"refraction" in American English

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refractionnoun [U]

 us   /rɪˈfræk·ʃən/
absolute index of refraction
The ​absoluteindex of refraction is a ​calculation of the ​relationship between the ​speed of ​lightmoving through a ​medium (= ​substance) and the ​speed of ​light in a ​vacuum (= ​place with no ​matter in it)
angle of refraction
The ​angle of refraction is the ​angle that a ​beam of ​light or other ​energy that is refracted by a ​surface makes with a ​linevertical to that ​surface.
(Definition of refraction from the Cambridge Academic Content Dictionary © Cambridge University Press)
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