s, a, o, d, e, l, n, m, r, y are letters that make 'mean solar day'
AN, sol, la, DA, Day, day, ar, Ea, mean, solar, so, AR, LA, ME, Sol, Ar, La, ola, solar day are words within 'mean solar day'
1 possible definitions for 'mean solar day'
Under this definition, mean solar day is a noun and has the following properties:
twenty-four hours, twenty-four hour period, 24-hour interval, solar day, day have the same meaning as 'mean solar day'
'mean solar day' can be a type of time unit, unit of time.
morrow, day of the month, eve, date, tomorrow, yesterday, date, today are types of 'mean solar day'.
daytime, twelve noon, high noon, midday, noonday, nighttime, hour, hr, 60 minutes, noon, noontide, dark, daylight, day, night are parts of 'mean solar day'.
daily, day-to-day, day-by-day, day-after-day are derivatives of 'mean solar day'.