embolism

noun

em·​bo·​lism ˈem-bə-ˌli-zəm How to pronounce embolism (audio)
plural embolisms
1
: the insertion of one or more days in a calendar : intercalation
2
a
: the sudden obstruction of a blood vessel by an embolus
b
embolismic adjective

Examples of embolism 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.
Cancer cells release chemicals that cause inflammation, and inflammation is a common cause of blood clots, including pulmonary embolism. Emily Kay Votruba, EverydayHealth.com, 10 Feb. 2026 Catherine O’Hara’s cause of death revealed New documents show the beloved actor died from a pulmonary embolism, with cancer as the underlying cause. Alexandra Banner, CNN Money, 10 Feb. 2026 Catherine O'Hara died from a pulmonary embolism, but her death certificate also revealed she was diagnosed with rectal cancer. Sara Moniuszko, USA Today, 10 Feb. 2026 Rali emphasized that anyone can experience a pulmonary embolism. Helen Carefoot, Flow Space, 10 Feb. 2026 See All Example Sentences for embolism

Word History

Etymology

Middle English embolisme, from Medieval Latin embolismus, from Greek embol- (from emballein to insert, intercalate) — more at emblem

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of embolism was in the 14th century

Browse Nearby Words

Cite this Entry

“Embolism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/embolism. Accessed 19 Feb. 2026.

Kids Definition

embolism

noun
em·​bo·​lism ˈem-bə-ˌliz-əm How to pronounce embolism (audio)
1
: the sudden blocking of a blood vessel by an embolus
2

Medical Definition

embolism

noun
em·​bo·​lism ˈem-bə-ˌliz-əm How to pronounce embolism (audio)
1
: the sudden obstruction of a blood vessel by an embolus
2

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