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.
Corticosteroid injections: In some cases, your healthcare provider may recommend these steroid injections to help reduce inflammation and improve mobility. Sherri Gordon, Health, 19 July 2025 Contenders include a red light wand that helps to revitalize your skin and a rose quartz and microneedle roller duo, which work together to reduce inflammation and promote collagen production. Izzy Baskette, People.com, 19 July 2025 Risk factors can include blood clots, vein inflammation known as phlebitis or being overweight. Eleanor Pringle, Fortune, 18 July 2025 Repair Repairing the gut lining is essential to improving nutrient absorption and reducing inflammation. Amy McGorry, FOXNews.com, 17 July 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

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Cite this Entry

“Inflammation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inflammation. Accessed 29 Jul. 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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