Definition of planetoid in English:

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planetoid

Pronunciation: /ˈplanɪtɔɪd/

noun

Another term for asteroid.
Example sentences
  • Most of these are in stable orbits around the Sun and are really just small planets, or planetoids.
  • It is from these exchanges that Earth finally begins to establish colonies on other planets (and planetoids besides the moon) in order to deal with its overwhelming population.
  • This shorter rotation period is typical of planetoids in our solar system, requiring no external influences to explain.
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