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SEDNA

Dictionary entry overview: What does Sedna mean?

• SEDNA (noun)
The noun SEDNA has 1 sense:

1. a planetoid of rock and ice about three-quarters the size of Pluto discovered in 2003; the most distant object known to orbit around the sun

Familiarity information: SEDNA used as a noun is very rare.

Dictionary entry details

• SEDNA (noun)

Sense 1

Sedna ^{[BACK TO TOP]}

Meaning:

A planetoid of rock and ice about three-quarters the size of Pluto discovered in 2003; the most distant object known to orbit around the sun

Classified under:

Nouns denoting natural objects (not man-made)

Instance hypernyms:

minor planet; planetoid (any of numerous small celestial bodies that move around the sun)

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