Definition of aerosol noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈeərəsɒl//
; NAmE NAmE//ˈerəsɔːl//
, NAmE//ˈerəsɑːl//
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a metal container in which a liquid such as paint or hairspray is kept under pressure and released as a spray ozone-friendly aerosols an aerosol can/spray Word Origin1920s: from aero- + sol (abbreviation for solution).
See the Oxford Advanced American Dictionary entry: aerosol