Meaning of “asteroid” in the English Dictionary

american-english dictionary

"asteroid" in American English

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asteroidnoun [ C ]

us /ˈæs·təˌrɔɪd/

earth science an object like a very large rock that goes around the sun like a planet:

Scientists are hoping an asteroid will clue them in about early life on earth.

(Definition of “asteroid” from the Cambridge Academic Content Dictionary © Cambridge University Press)