sidereal year

1. 1.

   the time for the earth to make one complete revolution around the sun, relative to the fixed stars

   Broaderyearsidereal time

Questions about sidereal year

What does sidereal year mean?

sidereal year means "the time for the earth to make one complete revolution around the sun, relative to the fixed stars".

Is sidereal year a common word?

sidereal year is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.