Diffuse means "not concentrated or localized"; it comes from the Latin word diffūsus ("spread over a wide area"). What is the difference between diffuse and infuse?

As a verb, diffuse means to spread something out, but also applies to spreading things such as ideas or culture so that they become widely known. When something is diffused, it's mixed in, and when you …

DIFFUSE definition: to pour out and spread, as a fluid. See examples of diffuse used in a sentence.

DIFFUSING definition: 1. present participle of diffuse 2. to (cause something to) spread in many directions: 3. to…. Learn more.

dif·fused , dif·fus·ing , dif·fus·es v. tr. 1. To cause to spread out freely: smoke that is diffused throughout the room. 2. To make known to or cause to...

If something diffuses light, it causes the light to spread weakly in different directions. Diffusing a light also reduces its power.

to (cause to) spread or scatter widely: [no object] The light diffused into the room.[~ + object] Diffuse the light in your room to avoid glare. disseminate:[~ + object] The printing press helped diffuse …

Jan 14, 2026 · diffuse (third-person singular simple present diffuses, present participle diffusing, simple past and past participle diffused) (transitive) To spread (something) over or through as in air, water, …

Diffusing refers to the process where particles move from an area of high concentration to an area of low concentration, typically in a gas or liquid, until they become evenly distributed.

Their culture gradually diffused [= spread] westward. The photographer uses a screen to diffuse the light.