refraction
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
The bending of light as it passes from one substance into another, such as from air into water.
Test yourself
Which word fits the gap? "_____ is why a straw looks bent when it's placed in a glass of water."
Answer: refraction
In your own words, what does "refraction" mean?
The bending of light as it passes from one substance into another, such as from air into water.
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