SIDEREAL HOUR

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

1/24 of a sidereal day

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("sidereal hour" is a kind of...):

sidereal time (measured by the diurnal motion of stars)

60 minutes; hour; hr (a period of time equal to 1/24th of a day)

Credits