Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “diffuse”

See all translations

diffuse

verb [I or T] uk   /dɪˈfjuːz/ us  
to (cause something to) spread in many directions: Television is a powerful means of diffusing knowledge. to (cause a gas or liquid to) spread through or into a surrounding substance by mixing with it: Oxygen diffuses from the lungs into the bloodstream. The drop of red dye diffused slowly in the water.
diffusion
noun [U] uk   /dɪˈfjuː.ʒən/ us  
the process of diffusion in gases/liquids/solids

diffuse

adjective uk   /dɪˈfjuːs/ us  

diffuse adjective (SPREAD)

spread out and not directed in one place: a diffuse light The company has become large and diffuse.

diffuse adjective (NOT CLEAR)

disapproving not clear or easy to understand: a diffuse literary style
diffusely
adverb uk   /-li/ us  
(Definition of diffuse from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of diffuse?
Add Cambridge dictionaries to your browser to your website

More meanings of “diffuse”

Definitions of “diffuse” in other dictionaries

Word of the Day

hyphen

the symbol -, used to join two words together, or to show that a word has been divided into two parts at the end of one line and the beginning of the next

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More