aero·​sol | \ ˈer-ə-ˌsäl How to pronounce aerosol (audio) , -ˌsȯl How to pronounce aerosol (audio) \

Definition of aerosol

1 : a suspension of fine solid or liquid particles in gas smoke, fog, and mist are aerosols 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

To clarify: Vaping is the act of inhaling an aerosol from a vaporizer, and e-cigarettes are a type of vaporizer. Aj Willingham, CNN, "Untangling the myths and mysteries of the vaping phenomenon," 13 Sep. 2019 One lawyer hit another in the head with an aerosol can Wednesday in an assault that left a pool of blood in a conference room at the Hall of Justice. Andrew Wolfson, The Courier-Journal, "One Louisville lawyer hit another with aerosol can in courthouse brawl, police say," 17 July 2019 Forests also emit aerosols, some of which have heat-trapping impacts, so reforestation does not necessarily lead to a straightforward reduction in global warming. Umair Irfan, Vox, "Restoring forests may be one of our most powerful weapons in fighting climate change," 5 July 2019 Those aerosols, including the high-flying sulfur particles, act like disco balls—scattering the light in all directions. Alex Fox, Science | AAAS, "This sulfur-spewing Russian volcano is turning sunsets purple," 13 Sep. 2019 The secondhand impact of the aerosol in e-cigarettes is known to contain all of the same chemicals — the heavy metals, the ultra-fine particles. Julie Mazziotta,, "How Dangerous Is Vaping? E-Cigarette Users ‘Should Worry’ About Rise in Lung Illnesses, Says Expert," 6 Sep. 2019 Ilopango likely launched up to a million tons of sulfur miles into the sky, high enough for stratospheric winds to spread the aerosols worldwide and trigger global cooling. Michael Greshko, National Geographic, "Colossal volcano behind 'mystery' global cooling finally found," 23 Aug. 2019 Sulfur aerosols emitted by trans-Arctic shipping, which is newly feasible because of sea-ice disappearance, will offset local warming by -1º C by 2099. Rafil Kroll-zaidi, Harper's magazine, "Findings," 10 June 2019 Vaping refers to the use of e-cigarettes, electronic devices that heat liquid and produce an aerosol, sometimes flavored. Tiffini Theisen,, "Florida teen blames collapsed lung on vaping," 19 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aerosol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aerosol

1918, in the meaning defined at sense 2

History and Etymology for aerosol

aero- + -sol (in hydrosol)

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Statistics for aerosol

Last Updated

4 Oct 2019

Look-up Popularity

Time Traveler for aerosol

The first known use of aerosol was in 1918

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More Definitions for aerosol



English Language Learners Definition of aerosol

: a substance (such as hair spray or medicine) that is kept in a container under pressure and that is released as a fine spray when a button is pressed


aero·​sol | \ ˈer-ə-ˌsäl How to pronounce aerosol (audio) , -ˌsȯl\

Kids Definition of aerosol

1 : a substance (as an insect repellent or medicine) that is released from a container as a spray of tiny solid or liquid particles in gas
2 : a container (as a can) that dispenses a substance as a spray


aero·​sol | \ ˈar-ə-ˌsäl How to pronounce aerosol (audio) , ˈer- How to pronounce aerosol (audio) , -ˌsȯl\

Medical Definition of aerosol

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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More from Merriam-Webster on aerosol

Rhyming Dictionary: Words that rhyme with aerosol

Spanish Central: Translation of aerosol

Nglish: Translation of aerosol for Spanish Speakers Encyclopedia article about aerosol

Comments on aerosol

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a topic to which one constantly reverts

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