Mean solar day Meaning, Definition & Usage

  1. noun time for Earth to make a complete rotation on its axis
    twenty-four hours; twenty-four hour period; solar day; day; 24-hour interval.
    • two days later they left
    • they put on two performances every day
    • there are 30,000 passengers per day

WordNet


Definitions
  1. (Astron.), the mean or average of all the apparent solar days of the year.

Webster 1913