Planetary-object Definition
noun
(astronomy) 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.
Wiktionary
(astronomy) Any substantial body associated with the development of planets: a protoplanet, planetesimal.
Wiktionary
Other Word Forms of Planetary-object
Noun
Singular:
planetary-object
Plural:
planetary objects
Find Similar Words
Find similar words to planetary-object using the buttons below.