Word:

ephemeris time

Noun1.ephemeris 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
astronomy, TDT, terrestrial dynamical time, terrestrial time, time unit, TT, unit of time, uranology
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ephedra
Ephedra sinica
Ephedraceae
ephedrine
Ephemera
Ephemeral
Ephemeral fly
ephemeral port
ephemerality
ephemeralness
Ephemeran
Ephemeric
ephemerid
Ephemerida
Ephemeridae
Ephemeris
-- ephemeris time --
Ephemerist
Ephemeron
Ephemeroptera
ephemeropteran
Ephemerous
Ephesan
Ephesian
Ephesians
Ephestia
Ephestia elutella
Ephesus
Ephialtes
Ephippial
Ephippidae
Ephippiorhynchus
Ephippiorhynchus senegalensis
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