terrestrial_dynamical_time (HyperDic hyper-dictionary)

English > 1 sense of the expression *terrestrial dynamical time*:
NOUN	time	terrestrial dynamical time, terrestrial time, TT, TDT, ephemeris time	(astronomy) a measure of time defined by Earth's orbital motion

English > *terrestrial dynamical time*: 1 sense > noun 1, time
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	terrestrial time, TT, TDT, ephemeris time
Category	astronomy, uranology	The branch of physics that studies celestial bodies and the universe as a whole
Broader	time unit, unit of time	A unit for measuring time periods
Catalan	temps d'efemèrides, temps terrestre

HyperDic: terrestrial_dynamical_time