A suspension of fine solid particles or liquid droplets in air or another gas. The aerosol from the spray can lingered in the air for several minutes.
A substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas. She used an aerosol to apply the paint evenly on the surface.
A container or dispenser from which an aerosol is released. He grabbed an aerosol from the shelf to freshen up the room.