Boltzmann equation

noun (1)
Boltz·​mann equation | \ ˈbōlts-mən- How to pronounce Boltzmann equation (audio) , -ˌmän-\

Definition of Boltzmann equation

 (Entry 1 of 3)

: an equation describing the behavior of a fluid in disequilibrium Robert Strain and Philip Gressman at the University of Pennsylvania employed modern mathematical tools to find solutions for the Boltzmann equation, which predicts the motion of gas molecules.— Jacob Aron, New Scientist, 22 May 2010

Maxwell-Boltzmann law

noun (2)
Maxwell-Boltz·​mann law

Definition of Maxwell-Boltzmann law (Entry 2 of 3)

: the principle involved in equipartition of energy

Stefan-Boltzmann law

noun (3)
Ste·​fan-Boltz·​mann law | \ ˈshteˌfänˈbōltsˌmän-\

Definition of Stefan-Boltzmann law (Entry 3 of 3)

: a statement in thermal radiation: the total emissive power of an ideal black body is proportional to the fourth power of its absolute temperature

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!

First Known Use of Boltzmann equation

Noun (1)

1914, in the meaning defined above

History and Etymology for Boltzmann equation

Noun (1)

after Ludwig Boltzmann †1906 Austrian physicist

Noun (2)

after J. C. Maxwell and Ludwig Boltzmann †1906 Austrian physicist

Noun (3)

after Josef Stefan †1893 Austrian physicist, its formulator, & Ludwig Boltzmann †1906 Austrian physicist who first demonstrated it

Keep scrolling for more

Learn More about Boltzmann equation

Statistics for Boltzmann equation

Look-up Popularity

Time Traveler for Boltzmann equation

The first known use of Boltzmann equation was in 1914

See more words from the same year

Comments on Boltzmann equation

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


to move or proceed with twists and turns

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

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

Love words? Need even more definitions?

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