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Definition of pluto

pluto

/ˈpluːtoʊ/
plu · to

Adjective:Plutonian
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pluto Lexical Profile

pluto Game Scores & Validity

• noun

1

A dwarf planet in the Kuiper belt beyond the orbit of Neptune, formerly classified as the ninth planet of the solar system from its discovery in 1930 until 2006.

Example

"The New Horizons spacecraft captured detailed images of Pluto's icy surface and heart-shaped nitrogen glacier during its historic flyby."


2

In classical Greco-Roman mythology, the god of the underworld and ruler of the dead, corresponding to the Greek god Hades.

Example

"In the ancient myth, Pluto abducted Proserpina and carried her down into the realm of the dead."

• Rhymes for pluto

Word Origin & Etymology

Borrowed from Latin Pluto, from Ancient Greek Plouton ('the wealthy one'), a euphemistic title for Hades as the giver of subterranean mineral and agricultural wealth. The celestial body was named in 1930 upon the suggestion of eleven-year-old Venetia Burney of Oxford, England.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Pluto. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pluto
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