Planetoid Definition

planətoid

planetoids

noun

planetoids

Webster's New World

(astronomy) An asteroid of any size.

Wiktionary

(astronomy) An asteroid-like body in an orbit beyond the asteroid belt, such as a centaur or Kuiper belt object.

Wiktionary

(astronomy) A larger, planetary, body in orbit around the Sun, such as Vesta or (candidate) dwarf planets such Eris or Sedna.

Wiktionary

(astronomy) A dwarf planet.

Wiktionary

Synonyms:

Other Word Forms of Planetoid

Singular:

planetoid

Plural:

planetoids

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