aerosol

noun

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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Ultrafine particles are aerosols less than 0.1 micrometers, or 100 nanometers, in diameter — about one-thousandth the width of a human hair. Discover Magazine, 1 Nov. 2024 The state did 70 inspections from 2015 to 2021 of waste that Walmart stores sent to municipal landfills and found thousands of containers of toxic aerosols and liquid wastes, including spray paints, rust removers, bleach, pesticides, and medical waste, such as over-the-counter drugs. Olga R. Rodriguez, Fortune, 24 Oct. 2024 According to the 2021 lawsuit, Walmart allegedly disposed of aerosols cans, spray paints, rust removers, bleach, pesticides and over-the-counter drugs in regular trash bins, which are not permitted to receive such waste products. Jasmine Mendez, Los Angeles Times, 23 Oct. 2024 Bonta said the audits found thousands of containers of toxic aerosols and liquid wastes including spray paints, rust removers, bleach, pesticides and medical waste such as over-the-counter drugs. Jonathan Stempel, USA TODAY, 23 Oct. 2024 See all Example Sentences for aerosol 

Word History

Etymology

aero- + -sol (in hydrosol)

First Known Use

1923, in the meaning defined at sense 1

Time Traveler
The first known use of aerosol was in 1923

Dictionary Entries Near aerosol

Cite this Entry

“Aerosol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerosol. Accessed 18 Nov. 2024.

Kids Definition

aerosol

noun
aero·​sol ˈar-ə-ˌsäl How to pronounce aerosol (audio) ˈer- How to pronounce aerosol (audio)
-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 How to pronounce aerosol (audio) ˈer- How to pronounce aerosol (audio)
-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

More from Merriam-Webster on aerosol

Last Updated: - Updated example sentences
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