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solar system
noun
extrasolar
adjective
Mercury
noun
cosmogony
noun
Jupiter
noun
Neptune
noun
Uranus
noun
Copernican system
noun
Mars
noun
Saturn
noun
Venus
noun
Pluto
noun
Definition of
solar system noun
from the Oxford Advanced Learner's Dictionary
solar system
noun
1
the solar system
[
singular
]
the sun and all the planets that move around it
2
[
countable
]
any group of planets that all move around the same star
We don't know how many solar systems there are in each galaxy.