Definition of tdt Tdt
We found 2 definitions of tdt from 2 different sources.
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What does tdt mean?
WordNet
Noun |
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| 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 | ||
| terrestrial time, TT, terrestrial dynamical time, TDT, ephemeris time | ||
| time unit, unit of time a unit for measuring time periods | ||
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Part of speech
🔤- tdt, noun, singular of tdts.
