mass-luminosity law

noun

Definition of mass-luminosity law

: a statement in astronomy: there is a close correlation between the luminosities or absolute magnitudes of stars and their masses so that the more massive stars are in general the more luminous

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!

Comments on mass-luminosity law

What made you want to look up mass-luminosity law? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

authorized for issue (as a bond)

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!