English dictionary
ephemeris time meaning and definition
Definition and meaning of ephemeris time at MeaningMonkey.org. ephemeris time meaning and definition in the English Dictionary.EPHEMERIS TIME noun
Definition of ephemeris time (noun)
- (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
Source: Princeton University Wordnet