sidereal hour

noun

Definition of sidereal hour

  1. :  the 24th part of a sidereal day

Circa 1695

First Known Use of sidereal hour

circa 1695

Learn More about sidereal hour


Seen and Heard

What made you want to look up sidereal hour? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

capable of being understood in two ways

Get Word of the Day daily email!