sidereal month

1. 1.

   period between successive conjunctions with a star, 27.322 days

   Broadermonthsidereal time

Questions about sidereal month

What does sidereal month mean?

sidereal month means "period between successive conjunctions with a star, 27.322 days".

Is sidereal month a common word?

sidereal month 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.