Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

sun's mean longitude

noun

Definition of sun's mean longitude

: the geocentric celestial longitude which the sun would have if its apparent annual motion in the ecliptic were at a uniform average or mean angular velocity

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about sun's mean longitude

Share sun's mean longitude

Dictionary Entries near sun's mean longitude

sum-up

sun

Sun

sun's mean longitude

sun's way

sun-and-planet motion

sun animalcule

Statistics for sun's mean longitude

Look-up Popularity

Comments on sun's mean longitude

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

Show Comments  Hide Comments 

WORD OF THE DAY

orthography

Listen to the pronounciation of orthography

the way words of a language are spelled

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!

Words at Play

Ask the Editors

Word Games