mean sun

noun

An imaginary sun that moves along the celestial equator at a constant rate equivalent to the real sun's average rate over the year, used in the calculation of solar time.

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Meanings

nounmean sun (plural mean suns)

plural mean suns

  1. An imaginary sun that moves along the celestial equator at a constant rate equivalent to the real sun's average rate over the year, used in the calculation of solar time.
Cite this entry
APA

mean sun. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mean%20sun

MLA

“mean sun.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mean%20sun. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mean sun,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mean%20sun.

Source: mean sun on Wiktionary, CC BY-SA 4.0.