Aerosol (noun)

1. A substance that is suspended in the air as a fine mist or spray, often in a pressurized container.
2. A system or device that is used to dispense a substance in the form of an aerosol.

Origin:

From the greek words "aero" meaning air and "sōlos" meaning vapor or mist.

Examples:

1. The aerosol can of spray paint allowed for easy application.
2. The hairspray was dispensed in an aerosol can.
3. Aerosol insecticides are effective in killing flying insects.
4. The aerosol was used to deliver the medicine directly to the lungs.
5. The aerosol can contains a mixture of gas and liquid particles that are dispersed into the air.