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terrestrial dynamical timeephemeris timeTDTterrestrial timeTTtime unitunit of time

terrestrial dynamical time

noun

1 terrestrial dynamical time

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: ephemeris time, TDT, terrestrial time, TT.

is a specific kind of: time unit, unit of time.

domain category: astronomy, uranology.

Dutch: TDT

Find more on terrestrial dynamical time elsewhere: etymology - rhymes - Wikipedia.

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