terrestrial time
Noun
Meaning
(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
Source: WordNetSynonyms
Hypernyms
Examples
Doing so does not create another version of TAI; it is instead considered to be creating a better realisation of Terrestrial Time (TT).
Terrestrial Time is a theoretical uniform time scale, defined to provide continuity with the former Ephemeris Time (ET).