What is aerosol? Whether aerosol is a dosage form-if it is then explain why is this so?

Aerosol refers to a suspension of fine solid particles or liquid droplets in a gas. These particles or droplets are small enough to remain suspended in the gas for a significant period of time due to their low settling velocities.

Aerosol is a dosage form because it is a system for delivering a specific amount of medication or other active ingredients in the form of a fine mist or spray. Aerosols typically consist of a mixture of propellant and a medicament or other active ingredient, which is contained in a pressurized container. When the valve of the container is opened, the pressure inside the container forces the contents out in the form of a spray or mist, which can be inhaled, applied to the skin, or ingested orally.