Word Study
ephemeric |
ephemerid |
ephemerida |
ephemeridae |
ephemeris |
ephemeris time
| ephemerist
| ephemeron
| ephemeroptera
| ephemeropteran
| ephemerous
ephemeris time
WORDNET DICTIONARY
Noun ephemeris time has 1 sense
- ephemeris time(n = noun.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; Array is a kind of time unit, unit of time
For further exploring for "ephemeris time" in Webster Dictionary Online
