Diffusion

Definition

Diffusion is the process by which particles spread out from each other in a solution or within gases due to their kinetic energy until they are evenly distributed.

Related terms

Concentration Gradient: This refers to how concentration changes across distance in a particular direction within a solution or medium.

Osmosis: This is diffusion but specifically for water across semi-permeable membranes.

Brownian Motion: This describes how particles move randomly due to collisions with other fast-moving atoms or molecules around them.