Definition of mean solar day in English:

mean solar day

Line breaks: mean solar day


The time between successive passages of the mean sun across the meridian.
More example sentences
  • It no longer made sense to define the second as 1 / 86,400th of a mean solar day.
  • The second was defined to be 1 / 86,400 of the mean solar day, the average rotational period of the earth with respect to the Sun.

Definition of mean solar day in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day rebuff
Pronunciation: rɪˈbʌf
reject (someone or something) in an abrupt manner…