SIDEREAL MONTH


Meaning of SIDEREAL MONTH in English

Function: noun

Date: 1868

: the mean time of the moon's revolution in its orbit with reference to a star's position : 27 days, 7 hours, 43 minutes, 11.5 seconds of mean time

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.