Definition, Meaning & Synonyms

sidereal

Adjective
/saɪˈdɪə.ri.əl/
Definition
Relating to the stars or constellations.
Examples
  • Sidereal time is based on the position of stars.
  • The sidereal year is about 20 minutes longer than the calendar year.
  • Scientists study sidereal motion to understand the orbits of celestial bodies.
Meaning
The term ‘sidereal’ pertains to anything associated with the stars, particularly in relation to timekeeping and celestial navigation.
Synonyms
  • stellar
  • astral
  • celestial