Definition of Tdt in English :
Define Tdt in English
Tdt meaning in English
Meaning of Tdt in English
Pronunciation of Tdt in English
Tdt pronunciation in English
Pronounce Tdt in English
Tdt
see synonyms of tdtNoun
1. ephemeris time, tdt, terrestrial dynamical time, terrestrial time, tt
(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
WordNet Lexical Database for English. Princeton University. 2010.