orbital period
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
The amount of time it takes an object to complete one full orbit around another body.
Test yourself
Which word fits the gap? "Earth's _____ around the sun is just over 365 days."
Answer: orbital period
In your own words, what does "orbital period" mean?
The amount of time it takes an object to complete one full orbit around another body.
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