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 original draft proposal, part of the EU’s End-Of-Life Vehicles Directive, posited that carbon fiber presented both inhalation and skin contact risks during a car’s end-of-life recycling process. Michael Taylor, Forbes.com, 22 Apr. 2025 Benzene on the other hand is a highly potent carcinogen and is dangerous through ingestion, skin absorption inhalation and injection. David Faris, MSNBC Newsweek, 11 Apr. 2025 Microplastics enter the body via ingestion and inhalation, according to previous research, and scientists have discovered their presence in various body parts or fluids including the blood, lungs, placenta, brain and testicles. Kristen Rogers, CNN, 25 Mar. 2025 Studies have linked long-term exposure to benzene through inhalation or ingestion to the development of blood cancers like leukemia. Deborah Vankin, Los Angeles Times, 22 Feb. 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 10 May. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!