Terrestrial dynamical time (original) (raw)
I. (noun)
Sense 1
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
Synonyms:
ephemeris time; TDT; terrestrial dynamical time; terrestrial time; TT
Classified under:
Nouns denoting time and temporal relations
Hypernyms ("terrestrial dynamical time" is a kind of...):
time unit; unit of time (a unit for measuring time periods)
Domain category:
astronomy; uranology (the branch of physics that studies celestial bodies and the universe as a whole)