ephemeris_time | ||
1. | [ noun ] (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: | TT terrestrial_dynamical_time TDT terrestrial_time | |
Related terms: | time_unit astronomy | |
Similar spelling: |
Ephemeridae ephemerality Ephemeroptera ephemeralness ephemeropteran |