Meaning : (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
Ephemeris time ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Ephemeris time ka matlab kya hota hai?