dif·​fu·​sive | \ di-ˈfyü-siv How to pronounce diffusive (audio) , -ziv \

Definition of diffusive

: tending to diffuse : characterized by diffusion diffusive motion of atoms

Keep scrolling for more

Other Words from diffusive

diffusively adverb
diffusiveness noun
diffusivity \ di-​ˌfyü-​ˈsi-​və-​tē How to pronounce diffusivity (audio) , -​ˈzi-​ \ noun

Examples of diffusive in a Sentence

Recent Examples on the Web The push to involve every corner of the space often has an unintentionally diffusive effect. Chris Jones, chicagotribune.com, "Theo Ubique says farewell to the No Exit with well-sung 'Sweeney Todd'," 13 Mar. 2018 The same basic phenomenon, called double-diffusive convection, creates layers of water in the ocean. Joanna Klein, New York Times, "How Layers in a Latte Form," 12 Dec. 2017 Of course, Calvin Klein the fashion mega-house is strong as ever with a cult figure, Raf Simons, at the helm and many still-successful diffusive branches—underwear, jeans, home, fragrance. Lili Göksenin, GQ, "Calvin Klein’s First Book Is a Nostalgic Ode to Nudity and Pushing Boundaries," 26 Oct. 2017

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

See More

First Known Use of diffusive

1600, in the meaning defined above

History and Etymology for diffusive

borrowed from Medieval Latin diffūsīvus, from Latin diffūsus, past participle of diffundere "to pour out over a wide surface, spread out, extend" + -īvus -ive — more at diffuse entry 2

Keep scrolling for more

Learn More about diffusive

Time Traveler for diffusive

Time Traveler

The first known use of diffusive was in 1600

See more words from the same year

Statistics for diffusive

Cite this Entry

“Diffusive.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/diffusive. Accessed 11 December 2019.

Comments on diffusive

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


heavy with or as if with moisture

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?


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!