We found 5 dictionaries that define the word mean solar days:

General (4 matching dictionaries)

1. mean solar days: Merriam-Webster
2. mean solar days: Collins English Dictionary
3. mean solar days: Vocabulary.com
4. mean solar days: TheFreeDictionary.com

Computing (1 matching dictionary)

5. mean solar days: Encyclopedia

(Note: See mean_solar_day as well.)

Definitions from Wiktionary (mean solar day) ▸ noun:  the average length of a solar day, used for practical timekeeping ▸ Also see mean_solar_day ▸ Words similar to mean solar days ▸ Usage examples for mean solar days ▸ Idioms related to mean solar days ▸ Wikipedia articles (New!) ▸ Words that often appear near mean solar days ▸ Rhymes of mean solar days ▸ Invented words related to mean solar days