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.
The rest of the student body sheltered in place as two patients were evaluated for inhalation, according to the LACoFD. Julie Sharp, CBS News, 12 Dec. 2025 Because the buffing, spraying and swirling actions required to use powders and sprays increase the risk of inhalation. Helen Carefoot, Flow Space, 11 Dec. 2025 Nitazenes can be ingested intravenously, intranasally, orally, sublingually, and by inhalation (vaping). Elizabeth Yuko, Rolling Stone, 15 Nov. 2025 It is typically caused by the inhalation of asbestos, and the disease can develop 15 to 40 years after exposure. Vanessa Etienne, PEOPLE, 5 Nov. 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

Browse Nearby Words

Cite this Entry

“Inhalation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inhalation. Accessed 19 Dec. 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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