mean time

Noun
  1. (astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator) (synset 115181497)
    referred to in: astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole
    is a type of: time unit, unit of time - a unit for measuring time periods
    same as: mean solar time

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