diffusion pump

noun

Definition of diffusion pump

: a vacuum pump for producing extremely high vacuums by diffusing gas into a jet of vapor of mercury or some heavy oil by which the gas is carried off and which is separated from the gas by condensation

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 diffusion pump

Dictionary Entries Near diffusion pump

diffusion pressure deficit

diffusion pump

diffusion-transfer process

See More Nearby Entries 

Statistics for diffusion pump

Cite this Entry

“Diffusion pump.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diffusion%20pump. Accessed 19 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

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!