asteroid

noun
UK: /ˈæstərɔɪd/
US: /ˈæstərɔɪd/

  1. A small rocky body orbiting the Sun.

    1. An asteroid hit the Earth millions of years ago. [ ] [ ]
    2. Scientists are tracking the asteroid to determine its trajectory near our planet. [ ] [ ]

  2. A minor planet; especially one in the inner Solar System.

    1. That asteroid is made of metal. [ ] [ ]
    2. Exploration of the asteroid belt could provide valuable resources in the future. [ ] [ ]

Synonyms

minor planet planetoid

Frequently Asked Questions

The word "asteroid" in English means: A small rocky body orbiting the Sun., A minor planet; especially one in the inner Solar System..

The phonetic transcription of "asteroid" is /ˈæstərɔɪd/ in British English and /ˈæstərɔɪd/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "asteroid": minor planet, planetoid.

Example usage of "asteroid": "An asteroid hit the Earth millions of years ago.". More examples on the page.