Some particles are dissolved in a glass of water. At first, the particles are all near one top corner of the glass. If the particles randomly move around ("diffuse") in the water,

The meaning of DIFFUSION is the state of being spread out or transmitted especially by contact : the action of diffusing. How to use diffusion in a sentence.

DIFFUSION meaning: 1. the action of spreading in many directions: 2. (of a gas or liquid) the process of spreading…. Learn more.

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Discover what the process of diffusion is and how substances move from an area of high concentration to lower concentration in this Chemistry Bitesize guide.

Nov 19, 2025 · Explore the fundamental physics governing molecular movement down a gradient, how speed is controlled, and why diffusion is vital for life.

Explore diffusion with interactive simulations, adjusting variables like concentration and temperature to observe their effects on the process.