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

1 sense of astronomical year

Sense 1
solar year, tropical year, astronomical year, equinoctial year -- (the time for the earth to make one revolution around the sun, measured between two vernal equinoxes)
       => 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")