refraction Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “refraction” in the English Dictionary

"refraction" in British English

See all translations

refractionnoun [U]

uk   us   /-ˈfræk.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

See all translations

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)
What is the pronunciation of refraction?
Add Cambridge dictionaries to your browser to your website
Word of the Day

carnival

(a special occasion or period of) public enjoyment and entertainment involving wearing unusual clothes, dancing, and eating and drinking, usually held in the streets of a city

Word of the Day

Chest pains and palpitations: talking about illness (2)
Chest pains and palpitations: talking about illness (2)
by Liz Walter,
February 03, 2016
My previous post (My leg hurts: Talking about illness (1)) presented some general vocabulary to use at the doctor’s. This one looks at some more specific areas of illness and explains some useful words and phrases that you may need to use or understand on a visit to the doctor’s. There are several

Read More 

farecasting noun
farecasting noun
February 08, 2016
predicting the optimum date to buy a plane ticket, especially on a website or using an app A handful of new and updated websites and apps are trying to perfect the art of what’s known as farecasting – predicting the best date to buy a ticket.

Read More