Meaning of EPHEMERIS TIME

Pronunciation:			i'femuris tIm
WordNet Dictionary
	Definition:		[n]  (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
	Websites:
	Synonyms:		TDT, terrestrial dynamical time, terrestrial time, TT
	See Also:		time unit, unit of time