1. Education
Send to a Friend via Email
You can opt-out at any time. Please refer to our privacy policy for contact information.

Discuss in my forum

Diffusion Definition

Chemistry Glossary Definition of Diffusion

By

Diffusion is a natural mass transport mechanism.

Diffusion is a natural mass transport mechanism that moves matter from area of high concentration to those of low concentration.

JrPol, Creative Commons License
Definition: Movement of a fluid from an area of higher concentration to an area of lower concentration. Diffusion is a result of the kinetic properties of particles of matter. The particles will mix until they are evenly distributed.

Example: H2S(g) in a test tube will slowly diffuse into the air of a lab until equilibrium is reached
.
More Diffusion Examples
Related Video
Physical and Chemical Properties of Matter
Introduction to Amino Acids

©2014 About.com. All rights reserved.