Search Result for "tdt": 
Wordnet 3.0

NOUN (1)

1. (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;
[syn: terrestrial time, TT, terrestrial dynamical time, TDT, ephemeris time]


WordNet (r) 3.0 (2006):

TDT n 1: (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 [syn: terrestrial time, TT, terrestrial dynamical time, TDT, ephemeris time]
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

TDT Time and Date Table (DVB, UTC)