sideral time

A form of sidereal time — Time measured by the apparent diurnal motion of the vernal equinox; approximated by that based on the rotation of planet Earth relative to the seemingly fixed stars.

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Meanings

nounsideral time (uncountable)
  1. alternativeuncountableAlternative spelling of sidereal time.
Cite this entry
APA

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

MLA

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

Chicago

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

Source: sideral time on Wiktionary, CC BY-SA 4.0.