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Meaning of planetary object | Babel Free

Noun CEFR B2

Definitions

Any secondary body in the Solar system that is geologically differentiated or in hydrostatic equilibrium and thus has a planet-like geology: a planet, dwarf planet, or the larger moons and asteroids.
Any substantial body in orbit around the Sun or other star: a planet, minor planet, or comet.
Any substantial body associated with the development of planets: a protoplanet, planetesimal.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

planetary ring planetary science planetary system planetary wave planetcide planetdom