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
The ensuing match included an aerosol can, Misao running Hattori over with her bike, innumerable hand signs for jutsu and acrobatic takedowns.
—
Caleb Yum, Austin American Statesman, 19 Mar. 2026
The satellite also hosts the European Union’s Copernicus Sentinel-4 mission, which aims to monitor key air quality trace gases and aerosols over Europe in support of the Copernicus Atmosphere Monitoring Service (CAMS) at high spatial resolution and with a fast revisit time.
—Richard Tribou, The Orlando Sentinel, 17 Mar. 2026
These included gases such as volatile organic compounds and particulates – often called aerosols – containing a myriad of substances, such as dust, polycyclic aromatic hydrocarbons, metals, asbestos and polychlorinated biphenyls.
—Armin Sorooshian, The Conversation, 16 Mar. 2026
Mostly gone are the staff’s personal foibles and follies, but vanished, too, is the post-COVID-19 despair that hung over the inaugural episodes like an aerosol haze.
—Graham Hillard, The Washington Examiner, 13 Mar. 2026
See All Example Sentences for aerosol
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Caleb Yum, Austin American Statesman, 19 Mar. 2026
The satellite also hosts the European Union’s Copernicus Sentinel-4 mission, which aims to monitor key air quality trace gases and aerosols over Europe in support of the Copernicus Atmosphere Monitoring Service (CAMS) at high spatial resolution and with a fast revisit time.
—Richard Tribou, The Orlando Sentinel, 17 Mar. 2026
These included gases such as volatile organic compounds and particulates – often called aerosols – containing a myriad of substances, such as dust, polycyclic aromatic hydrocarbons, metals, asbestos and polychlorinated biphenyls.
—Armin Sorooshian, The Conversation, 16 Mar. 2026
Mostly gone are the staff’s personal foibles and follies, but vanished, too, is the post-COVID-19 despair that hung over the inaugural episodes like an aerosol haze.
—Graham Hillard, The Washington Examiner, 13 Mar. 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 22 Mar. 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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