Word.ws English Dictionary

sidereal day

sidereal day noun: one day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox (about 23 hours, 56 minutes, 4 seconds).

Noun

sidereal day (plural sidereal days)

  1. One day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox (about 23 hours, 56 minutes, 4 seconds).
  2. The rotational period of Earth; the time in which Earth rotates around its axis 360 degrees.

sidereal day meaning in Tamil

sidereal day in Tamil

உடுநாள், மீன்வழி நாள், நட்சத்திர தினம்

Forms of sidereal day

pluralsidereal days

Questions about sidereal day

What does sidereal day mean?
Sidereal day means one day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox (about 23 hours, 56 minutes, 4 seconds).
What is sidereal day in Tamil?
Sidereal day in Tamil is உடுநாள், மீன்வழி நாள், நட்சத்திர தினம். See Sidereal day meaning in Tamil.
What part of speech is sidereal day?
Sidereal day is a noun.
What is the plural of sidereal day?
The plural of sidereal day is sidereal days.

Words near sidereal day in the dictionary

  1. sideration
  2. siderazot
  3. siderazote
  4. sidereal
  5. sidereal astrology
  6. sidereal day
  7. sidereal days
  8. sidereal month
  9. sidereal months
  10. sidereal orbital period
  11. sidereal orbital periods

Source and license

Adapted from Wiktionary: sidereal day (page history and authors); sidereal day (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “sidereal day.” Word.ws, https://word.ws/sidereal_day. Based on Wiktionary, CC BY-SA 4.0.