inhalation

noun

in·​ha·​la·​tion ˌin-hə-ˈlā-shən How to pronounce inhalation (audio)
ˌi-nə-ˈlā-
1
: the act or an instance of inhaling
2
: material (such as medication) to be taken in by inhaling
inhalational adjective

Examples of inhalation in a Sentence

Recent Examples on the Web
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.
Afterward, the animals were decontaminated and bathed, and those who experienced the most inhalation are being supervised at a veterinary clinic, Halverson said. Melina Khan, USA Today, 15 Sep. 2025 Miller Gardner died March 21 while on vacation with his family due to carbon monoxide inhalation, the Judicial Investigation Agency (OIJ) of Costa Rica previously said in April. Djenane Villanueva, CNN Money, 12 Sep. 2025 The disease is transmitted through inhalation of fungal spores called arthroconidia. Matthew Binnicker, Forbes.com, 20 Aug. 2025 The disease usually spreads through inhalation of contaminated water aerosols, such as mist or spray from showers, cooling towers or fountains. Tina Chen, Mercury News, 5 Aug. 2025 See All Example Sentences for inhalation

Word History

First Known Use

circa 1623, in the meaning defined at sense 1

Time Traveler
The first known use of inhalation was circa 1623

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Cite this Entry

“Inhalation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inhalation. Accessed 18 Sep. 2025.

Kids Definition

inhalation

noun
in·​ha·​la·​tion ˌin-(h)ə-ˈlā-shən How to pronounce inhalation (audio)
: the act or instance of inhaling

Medical Definition

inhalation

noun
in·​ha·​la·​tion ˌin-(h)ə-ˈlā-shən, ˌin-ᵊl-ˈā- How to pronounce inhalation (audio)
1
: the act or an instance of inhaling
specifically : the action of drawing air into the lungs by means of a complex of essentially reflex actions that involve changes in the diaphragm and in muscles of the abdomen and thorax which cause enlargement of the chest cavity and lungs resulting in production of relatively negative pressure within the lungs so that air flows in until the pressure is restored to equality with that of the atmosphere
2
: material (as medication) to be taken in by inhaling
inhalational adjective

More from Merriam-Webster on inhalation

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