aerosol
noun
aero·sol
ˈer-ə-ˌsäl 
-ˌsȯl
-ˌsȯl
1
: a suspension of fine solid or liquid particles in gas
Smoke, fog, and mist are aerosols.
airborne aerosol transmission of infective viral particles
also, aerosols plural
: the fine particles of an aerosol
stratospheric aerosols
2
: a substance (such as an insecticide or medicine) dispensed from a pressurized container as an aerosol
also
: the container for this
Examples of aerosol in a Sentence
Recent Examples on the Web
Liquids, gels, aerosols, and some food items are subject to the 3.4-ounce restriction.
—
Mariyam Muhammad, Cincinnati Enquirer, 25 July 2025
A number of recycling stations were in operation at the Kane County event accepting everything from electronics, books, paint, aerosols and ink jet cartridges to smoke alarms, LED bulbs and fluorescents along with child car seats, strollers and bikes.
—David Sharos, Chicago Tribune, 22 July 2025
This includes screening passengers and their belongings, ensuring compliance with rules about liquids, aerosols, and gels, and enforcing regulations on firearms, ammunition, and other dangerous items.
—Marley Malenfant, Austin American Statesman, 17 July 2025
The Transportation Security Administration (TSA) in 2006 implemented a policy limiting liquids, gels and aerosols in passenger carry-on luggage to 3.4-ounce containers or smaller, to lessen the chances of liquid explosives being brought onboard commercial aircraft.
—Luke Barr, ABC News, 16 July 2025
See All Example Sentences for aerosol
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show current usage.
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Mariyam Muhammad, Cincinnati Enquirer, 25 July 2025
A number of recycling stations were in operation at the Kane County event accepting everything from electronics, books, paint, aerosols and ink jet cartridges to smoke alarms, LED bulbs and fluorescents along with child car seats, strollers and bikes.
—David Sharos, Chicago Tribune, 22 July 2025
This includes screening passengers and their belongings, ensuring compliance with rules about liquids, aerosols, and gels, and enforcing regulations on firearms, ammunition, and other dangerous items.
—Marley Malenfant, Austin American Statesman, 17 July 2025
The Transportation Security Administration (TSA) in 2006 implemented a policy limiting liquids, gels and aerosols in passenger carry-on luggage to 3.4-ounce containers or smaller, to lessen the chances of liquid explosives being brought onboard commercial aircraft.
—Luke Barr, ABC News, 16 July 2025
See All Example Sentences for aerosol
Cite this Entry
“Aerosol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerosol. Accessed 21 Aug. 2025.
Copy CitationKids Definition
aerosol
noun
aero·sol
ˈar-ə-ˌsäl
ˈer-
ˈer-
-ˌsȯl
: a mixture of fine solid or liquid particles and gas
smoke and fog are aerosols
Medical Definition
aerosol
noun
aero·sol
ˈar-ə-ˌsäl
ˈer-
ˈer-
-ˌsȯl
1
: a suspension of fine solid or liquid particles in gas
smoke, fog, and mist are aerosols
2
: a substance (as an insecticide or medicine) dispensed from a pressurized container as an aerosol
also
: the container for this
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