prism
Pronunciation
Noun
B1 Intermediate
Quick answer
A transparent solid shape, often triangular, that bends and separates light into its different colours, or, in geometry, a solid with two identical parallel ends.
Test yourself
Which word fits the gap? "Sunlight passing through the _____ split into a rainbow of colours on the wall."
Answer: prism
In your own words, what does "prism" mean?
A transparent solid shape, often triangular, that bends and separates light into its different colours, or, in geometry, a solid with two identical parallel ends.
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