English Explanatory Dictionary

sidereal day

English dictionary entry

Meanings

noun
  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.

Word forms

sidereal day sidereal days

Related words

stellar day solar day
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on S Russian dictionary Dahl dictionary