Dictionary

sidereal hour

noun

Definition of SIDEREAL HOUR

:  the 24th part of a sidereal day
ADVERTISEMENT

First Known Use of SIDEREAL HOUR

circa 1695

Rhymes with SIDEREAL HOUR

Browse

2 ENTRIES FOUND:
Next Word in the Dictionary: sidereal hour anglePrevious Word in the Dictionary: sidereal dayAll Words Near: sidereal hour
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears