English dictionary
Info: This web site is based on WordNet 3.0 from Princeton University.
English noun: sidereal day | |||
| 1. | sidereal day (time) the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day | ||
| Synonyms | day | ||
| Broader (hypernym) | sidereal time, time unit, unit of time | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk