mean solar day

noun

Definition of mean solar day

: the interval between successive transits of a given meridian by the mean sun

Recent Examples of mean solar day from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mean solar day.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of mean solar day

1816

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Seen and Heard

What made you want to look up mean solar day? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

deserving of honor or esteem

Get Word of the Day daily email!

Test Your Vocabulary

Name More Food!

True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!