Plutoid Definition

plo͝otoid
noun
A dwarf planet that orbits the sun at a greater distance on average than Neptune.
American Heritage

Other Word Forms of Plutoid

Noun

Singular:
plutoid
Plural:
plutoids

Origin of Plutoid

  • Plut(o) + -oid

    From Wiktionary

  • Pluto –oid

    From American Heritage Dictionary of the English Language, 5th Edition

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plutoid