English dictionary
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English noun: ephemeris time | |||
| 1. | ephemeris time (time) (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions | ||
| Synonyms | TDT, terrestrial dynamical time, terrestrial time, TT | ||
| Broader (hypernym) | time unit, unit of time | ||
| Domain category | astronomy, uranology | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk