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Synonyms

inhalation

American  
[in-huh-ley-shuhn] / ˌɪn həˈleɪ ʃən /

noun

  1. an act or instance of inhaling.

  2. an inhalant.


inhalation British  
/ ˌɪnhəˈleɪʃən /

noun

  1. the act of inhaling; breathing in of air or other vapours

  2. an inhalant formulation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

inhalation Scientific  
/ ĭn′hə-lāshən /
  1. The act of taking in breath. Inhalation results from the negative pressure in the lungs caused by contraction of the diaphragm, which causes it to move downwards and to expand the chest cavity. The resulting flow of air into the lungs restores a pressure equal to that of the atmosphere.

  2. Also called inspiration

  3. Compare exhalation


Etymology

Origin of inhalation

First recorded in 1615–25; inhale + -ation

Compare meaning

How does inhalation compare to similar and commonly confused words? Explore the most common comparisons:

Explanation

An inhalation is an inward breath. When you swim to the surface of a pool after being under water, you'll take a deep inhalation. The inhalation of gas fumes is bad for you, while inhalation of scents like peppermint can be very relaxing. If you've ever taken a yoga class, you know there's a lot of talk about breathing, inhalation and exhalation (breathing out). Inhalation comes from the verb inhale, "to breathe in," from the Latin inhalare, "breathe upon."

Keep Reading on Vocabulary.com

Vocabulary lists containing inhalation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Hantavirus is a rare but deadly disease that attacks the lungs and is typically contracted by humans through inhalation of particles contaminated with the urine, feces or saliva of a wild rodent.

From Los Angeles Times • May 7, 2026

During the outbreak, people appeared to be infected mostly "through inhalation of droplets", it added.

From Barron's • May 7, 2026

Zampella, best known for co-creating the popular “Call of Duty” video game franchise and launching “Apex Legends” studio Respawn Entertainment, died of thermal injuries and smoke inhalation, according to the medical examiner’s database.

From Los Angeles Times • Apr. 22, 2026

More than 200 crew members were assessed for smoke inhalation and later returned to duty after the fire broke out on 2 March, US officials said.

From BBC • Mar. 18, 2026

An inhalation room treated the respiratory system and asthma, and there were detoxifying baths using mud from the nearby springs.

From "Reaching for the Moon" by Katherine Johnson

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