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sidereal hour is a noun meaning "1/24 of a sidereal day". It carries one recorded sense.
1/24 of a sidereal day
Definitions, synonyms and semantic relations for sidereal hour come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.
147,478 entries in AltF Lexicon, 83,117 of them with their syllables marked.
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