terrestrial dynamical time
Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.
Switch to new thesaurus
|Noun||1.||terrestrial dynamical 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, uranology - the branch of physics that studies celestial bodies and the universe as a whole