1. (astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator); [syn: mean time, mean solar time]
WordNet (r) 3.0 (2006):
mean solar time
n 1: (astronomy) time based on the motion of the mean sun (an
imaginary sun moving uniformly along the celestial equator)
[syn: mean time, mean solar time]