Aerosol vs Fog

When to use each in English, with meaning, register, and examples.

	Aerosol	Fog
Meaning	A spray or mist made of tiny liquid or solid particles.	A thick cloud of tiny water drops in the air that makes things hard to see.
Usage notes	Used in both scientific and everyday contexts. Not typically used in very informal conversations. When discussing products, 'aerosol' might refer to spray cans.	Use 'fog' in both literal and metaphorical senses. In formal writing, avoid using 'fog' figuratively unless context allows.

Frequently asked questions: Aerosol vs Fog

What's the difference between "Aerosol" and "Fog"?

"Aerosol" means: A spray or mist made of tiny liquid or solid particles. "Fog" means: A thick cloud of tiny water drops in the air that makes things hard to see.

When should I use "Aerosol" and "Fog"?

They can all be used in everyday English.