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

Other Words from diffusive

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

Examples of diffusive in a Sentence

Recent Examples on the Web The effect of her being on those around her was incalculably diffusive. New York Times, 30 Apr. 2020 The right of suffrage was much more diffusive in the Northern than the Southern States; and the latter could have no influence in the election on the score of the Negroes. Ellen Mcgirt, Fortune, 2 Mar. 2020 The push to involve every corner of the space often has an unintentionally diffusive effect. Chris Jones, chicagotribune.com, 13 Mar. 2018 The same basic phenomenon, called double-diffusive convection, creates layers of water in the ocean. Joanna Klein, New York Times, 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, 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.

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

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

Dictionary Entries Near diffusive

diffusion-transfer process



See More Nearby Entries 

Statistics for diffusive

Cite this Entry

“Diffusive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diffusive. Accessed 25 May. 2022.

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


Test Your Vocabulary

Name That Color

  • a light greenish blue color
  • Name that color:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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