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
Coarse copper leaf was chosen as the most conductive aerosol out of seven mixtures tested.
—
Michael Irving, New Atlas, 6 Feb. 2025
Data has shown that SARS-CoV-2, the virus that causes COVID-19, is most commonly spread through respiratory droplets and aerosols.
—Korin Miller, Verywell Health, 13 Jan. 2025
The role of aerosols An intriguing idea, tested using climate models, is that a swift reduction in aerosols over the past decade may be one of the culprits.
—Annalisa Bracco, The Conversation, 9 Jan. 2025
Marco Antonio Rubio, 36, is accused of the spate of fires that began around 1 p.m. on Sunday with the use of a lighter and an aerosol can to set them, Santa Monica police said in a news release.
—Jasmine Mendez, Los Angeles Times, 13 Feb. 2025
See All Example Sentences for aerosol
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Michael Irving, New Atlas, 6 Feb. 2025
Data has shown that SARS-CoV-2, the virus that causes COVID-19, is most commonly spread through respiratory droplets and aerosols.
—Korin Miller, Verywell Health, 13 Jan. 2025
The role of aerosols An intriguing idea, tested using climate models, is that a swift reduction in aerosols over the past decade may be one of the culprits.
—Annalisa Bracco, The Conversation, 9 Jan. 2025
Marco Antonio Rubio, 36, is accused of the spate of fires that began around 1 p.m. on Sunday with the use of a lighter and an aerosol can to set them, Santa Monica police said in a news release.
—Jasmine Mendez, Los Angeles Times, 13 Feb. 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 10 Mar. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share