in·​ha·​la·​tion | \ˌin-hə-ˈlā-shən, ˌi-nə-ˈlā-\

Definition of inhalation 

1 : the act or an instance of inhaling

2 : material (such as medication) to be taken in by inhaling

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Other Words from inhalation

inhalational \ ˌin-​hə-​ˈlā-​shnəl , -​shə-​nᵊl, ˌi-​nə-​ˈlā-​ \ adjective

Examples of inhalation in a Sentence

Recent Examples on the Web

All of the victims, ages 17 to 61, died of smoke inhalation, according to coroner's reports. James Queally,, "Ghost Ship operators plead no contest to involuntary manslaughter in fire that killed 36 people," 4 July 2018 The woman was one of two residents transported by Boston EMS for treatment of smoke inhalation around 8:20 p.m., said Deputy Superintendent Ed Hassan said. Alana Levene,, "Woman rescued, five injured in South Boston house fire that caused $800,000 in damage," 27 June 2018 Hamas officials said fear of smoke inhalation from the tires may have kept crowds small. David Wainer,, "Palestinians Clash With Israeli Troops Along Gaza Border," 6 Apr. 2018 An autopsy was done, and the medical examiner said the cause of death was smoke inhalation and thermal injuries. Dana Hedgpeth, Washington Post, "Woman whose body was found in burning car died from smoke inhalation and thermal injuries," 26 June 2018 In this fire, one firefighter was hospitalized for several hours for smoke inhalation and heat exhaustion. Jane Ford-stewart, Milwaukee Journal Sentinel, "What are the odds? This Greendale family has had 2 different homes struck by lightning," 20 June 2018 They were all hospitalized for smoke inhalation and other injuries. Robert Downen, Houston Chronicle, "Children, 1 and 7, and their grandmother killed in Conroe fire," 9 June 2018 His cause of death was listed as smoke inhalation and thermal injuries. Crimesider Staff, CBS News, "Md. millionaire charged in death of man he hired to dig tunnels beneath his home," 1 June 2018 The rest were checked out by medics at the scene for possible smoke inhalation, fire Capt. Chelsea Prince, ajc, "Man found dead in DeKalb house fire," 6 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inhalation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of inhalation

circa 1623, in the meaning defined at sense 1

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Last Updated

14 Nov 2018

Look-up Popularity

Time Traveler for inhalation

The first known use of inhalation was circa 1623

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More Definitions for inhalation


in·​ha·​la·​tion | \ˌin-hə-ˈlā-shən, ˌi-nə-\

Kids Definition of inhalation

: the act or an instance of breathing or drawing in by breathing


in·​ha·​la·​tion | \ˌin-(h)ə-ˈlā-shən, ˌin-ᵊl-ˈā- \

Medical Definition of inhalation 

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

Other Words from inhalation

inhalational \ -​shnəl, -​shən-​ᵊl \ adjective

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Comments on inhalation

What made you want to look up inhalation? Please tell us where you read or heard it (including the quote, if possible).


by force of circumstances

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