Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

diffusive

play
adjective dif·fu·sive \di-ˈfyü-siv, -ziv\

Definition of diffusive

  1. :  tending to diffuse :  characterized by diffusion <diffusive motion of atoms>

dif·fu·sive·ly adverb
dif·fu·sive·ness noun
dif·fu·siv·i·ty play \di-ˌfyü-ˈsi-və-tē, -ˈzi-\ noun


1614

First Known Use of diffusive

1614


Seen and Heard

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

WORD OF THE DAY

February 7, 2016

a slight offense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders pince-nez duvet spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ