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
But the degree of that contribution is much harder to estimate, so the researchers focus on aerosols for much of the analysis.
—
ArsTechnica, 15 May 2026
These products include glue, shoe polish, paint thinner, aerosol sprays, gasoline and nitrous oxide, also known as laughing gas.
—Katia Hetter, CNN Money, 15 May 2026
Today's aerosol oven cleaners are often made with lye or sodium hydroxide.
—Kimberly Holland, Southern Living, 12 May 2026
Avoid using candles, gas, propane, wood-burning stoves, fireplaces or aerosol sprays.
—Hali Smith, Idaho Statesman, 8 May 2026
See All Example Sentences for aerosol
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ArsTechnica, 15 May 2026
These products include glue, shoe polish, paint thinner, aerosol sprays, gasoline and nitrous oxide, also known as laughing gas.
—Katia Hetter, CNN Money, 15 May 2026
Today's aerosol oven cleaners are often made with lye or sodium hydroxide.
—Kimberly Holland, Southern Living, 12 May 2026
Avoid using candles, gas, propane, wood-burning stoves, fireplaces or aerosol sprays.
—Hali Smith, Idaho Statesman, 8 May 2026
See All Example Sentences for aerosol
Cite this Entry
“Aerosol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerosol. Accessed 23 May. 2026.
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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