noun
a substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas
adjective
relating to or consisting of small particles suspended in air or gas
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The aerosol spray can be used to apply a fine mist of paint.
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I always carry an aerosol can of bug spray when I go camping.
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Make sure to grab some aerosol deodorant before we head out.
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His words hung in the air like an aerosol mist, leaving a lasting impact on the audience.