terrestrial dynamical time

NOUN
26 LETTERS · STARTS WITH T

terrestrial dynamical time is a valid 26-letter word worth 34 points in Scrabble and 39 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1E1R1R1E1S1T1R1I1A1L1D2Y4N1A1M3I1C3A1L1T1I1M3E1
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 4 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 3 + 1 =34 PTS
DOUBLE WORD → 68TRIPLE WORD → 102
MEANING

What does terrestrial dynamical time mean?

NOUN · 1 SENSE
1

(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.