English
Detailed Synonyms for TDT in English
TDT:
TDT [the ~] nom
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the TDT
– (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 1the terrestrial dynamical time; the terrestrial time; the TDT; the TT; the ephemeris 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 1