Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun sidereal_year

1 sense of sidereal year

Sense 1
sidereal year -- (the time for the earth to make one complete revolution around the sun, relative to the fixed stars)
       => year -- (the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun; "a Martian year takes 687 of our days")
       => sidereal time -- (measured by the diurnal motion of stars)