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

aerosol

noun
 
/ˈeərəsɒl/
 
/ˈerəsɑːl/
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  1. a liquid such as paint or hairspray that is kept under pressure in a metal container and released as a spray
    • ozone-friendly aerosols
    • an aerosol can/spray
    Topics The environmentc2
    Oxford Collocations DictionaryAerosol is used before these nouns:
    • can
    • spray
    See full entry
    Word Origin1920s: from aero- + sol (abbreviation for solution).
See aerosol in the Oxford Advanced American Dictionary
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