dwarf planet Meaning & Definition
What Does Dwarf Planet Mean?
As a noun, dwarf planet means A planetary (world-like) body of the Solar system, that directly orbits the Sun like the classical planets but does not gravitationally dominate other bodies in the region of its orbit.
Word Facts for Dwarf Planet
| Part of speech | noun |
|---|---|
| Synonyms | planetoid, quasi-planet and sub-planet |
| Plural | dwarf planets |
Dwarf Planet Definition (Noun)
- A planetary (world-like) body of the Solar system, that directly orbits the Sun like the classical planets but does not gravitationally dominate other bodies in the region of its orbit.
Noun
- Any astronomical body which has achieved hydrostatic equilibrium (which is the shape a body of water would take, as opposed to a small Solar System body), orbits the Sun (as opposed to a moon), and has not “cleared its neighbourhood” of competing bodies (as opposed to a planet).
Synonyms of Dwarf Planet
Dwarf planet synonyms and antonyms →Word Forms & Grammar
dwarf planet (plural dwarf planets)
Origin of Dwarf Planet
Coined by analogy with dwarf star, as part of a tripartite classification of planets: classical planets (the big 8 in the Sol system), satellite planets (planetary-mass moons) and dwarf planets. Redefined by the IAU in 2006 to be a category of sub-planetary objects.
Frequently Asked Questions About Dwarf Planet
What part of speech is dwarf planet?
Dwarf planet is a noun.
What is another word for dwarf planet?
You can replace dwarf planet with words such as planetoid, quasi-planet and sub-planet. See the full list of dwarf planet synonyms and antonyms.
What is the plural of dwarf planet?
The plural of dwarf planet is dwarf planets.