inflammation

noun

in·​flam·​ma·​tion ˌin-flə-ˈmā-shən How to pronounce inflammation (audio)
1
: a local response to cellular injury that is marked by capillary dilatation, leukocytic infiltration, redness, heat, and pain and that serves as a mechanism initiating the elimination of noxious agents and of damaged tissue
2
: the act of inflaming : the state of being inflamed

Examples of inflammation in a Sentence

The drug is used to reduce inflammation. inflammations of the throat and ears
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.
Plantar fasciitis is characterized by inflammation of the tissue that connects the heel bone to the toes along the bottom of the foot. Peter Sblendorio, New York Daily News, 1 Feb. 2025 When to seek medical attention Patients who notice persistent chest pain and palpitations after a viral illness should consider ruling out myocarditis, which is inflammation of the heart muscle, according to Contreras. Amy McGorry, Fox News, 1 Feb. 2025 Hydrazine is a type of propellant used on some spacecraft that can cause nausea, vomiting, inflammation of the nerves and even a coma following exposure. Jackie Wattles, CNN, 30 Jan. 2025 Respiratory Infections Studies suggest that supplementing with Lactobacillus probiotics can help reduce lung inflammation and relieve respiratory infection symptoms. Lindsay Curtis, Verywell Health, 30 Jan. 2025 See all Example Sentences for inflammation 

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of inflammation was in the 15th century

Dictionary Entries Near inflammation

Cite this Entry

“Inflammation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inflammation. Accessed 13 Feb. 2025.

Kids Definition

inflammation

noun
in·​flam·​ma·​tion ˌin-flə-ˈmā-shən How to pronounce inflammation (audio)
1
: the act of inflaming : the state of being inflamed
2
: a bodily response to injury in which heat, redness, pain, swelling, and more than the usual amount of blood are present in the area affected

Medical Definition

inflammation

noun
in·​flam·​ma·​tion ˌin-flə-ˈmā-shən How to pronounce inflammation (audio)
: a local response to cellular injury that is marked by capillary dilatation, leukocytic infiltration, redness, heat, pain, swelling, and often loss of function and that serves as a mechanism initiating the elimination of noxious agents and of damaged tissue
Last Updated: - Updated example sentences
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