Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mean_sun

1 sense of mean sun

Sense 1
mean sun -- (a theoretical sun that moves along the celestial equator at a constant speed and completes its annual course in the same amount of time the real sun takes at variable speeds)
       => model, theoretical account, framework -- (a hypothetical description of a complex entity or process; "the computer program was based on a model of the circulatory and respiratory systems")