aerosol

US /ˈer.ə.sɑːl/
UK /ˈer.ə.sɑːl/
"aerosol" picture
1.

a substance enclosed under pressure and released as a fine spray by a propellant gas

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She used an aerosol can of hairspray.
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Be careful when spraying aerosols near an open flame.
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spraymistatomizernebulizer
2.

a suspension of fine solid particles or liquid droplets in a gas

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Volcanic eruptions can release large amounts of aerosols into the atmosphere.
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Pollution often involves various types of aerosols.