outer planet

What does outer planet mean?

outer planet means "(astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto)".

Is outer planet a common word?

outer planet is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.

Definitions, synonyms and semantic relations for outer planet come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.