sidereal hour

/saɪˌdɪriəl aʊər/
IPA guide

Other forms: sidereal hours

Definitions of sidereal hour
  1. noun
    1/24 of a sidereal day
    see moresee less
    type 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
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