Sidereal Day

nounverified·updated May 18, 2026

the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

Framework senses

1 sense across 1 framework

Wordset Dictionary1 senseview framework →

§1: the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day