inferior planet


: either of the planets Mercury and Venus whose orbits lie within that of the earth compare superior planet

Word History

First Known Use

1633, in the meaning defined above

Time Traveler
The first known use of inferior planet was in 1633

Dictionary Entries Near inferior planet

Cite this Entry

“Inferior planet.” Dictionary, Merriam-Webster, Accessed 24 Apr. 2024.

Kids Definition

inferior planet

: a planet (as Venus) whose orbit is closer to the sun than that of Earth
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