American English

Definition of solar system noun from the Oxford Advanced American Dictionary

     

    solar system

     noun
    noun
     
     
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  1. 1the solar system [singular] the sun and all the planets that move around it
  2. 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.
See the Oxford Advanced Learner's Dictionary entry: solar system