A liquid under pressure released through a nozzle as a spray or foam
[DOC] [TLE] Aerosol | Define Aerosol at Dictionary.com [PAR] a liquid substance, as a disinfectant or deodorant, sealed in a metal container 
under pressure with an inert gas or other activating agent and released as a 
spray or foam through a push-button valve or nozzle: an aerosol for cleaning 
ovens.