hyperemia

noun

hy·​per·​emia ˌhī-pər-ˈē-mē-ə How to pronounce hyperemia (audio)
: excess of blood in a body part : congestion
hyperemic
ˌhī-pər-ˈē-mik How to pronounce hyperemia (audio)
adjective

Examples of hyperemia 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.
When the arm is submerged in a plexiglass water tank, more reactive hyperemia results in greater water displacement, meaning greater arm volume. — Bryant Stamford, The Courier-Journal, 2 Mar. 2023 The noninvasive procedure, called reactive hyperemia peripheral arterial tonometry, measures blood flow to the fingers during blood pressure inflation and release. — Mayo Clinic News Network, chicagotribune.com, 1 Nov. 2019

Word History

Etymology

New Latin

First Known Use

circa 1839, in the meaning defined above

Time Traveler
The first known use of hyperemia was circa 1839

Rhymes for hyperemia

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Browse Nearby Words

hyperefficient
hyperemia
hyperemotional
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Cite this Entry

“Hyperemia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperemia. Accessed 31 Jul. 2026.

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Medical Definition

hyperemia

noun
hy·​per·​emia
variants or chiefly British hyperaemia
ˌhī-pə-ˈrē-mē-ə How to pronounce hyperemia (audio)
: excess of blood in a body part (as from an increased flow of blood due to vasodilation) : congestion
hyperemic adjective
or chiefly British hyperaemic
-mik How to pronounce hyperemia (audio)
Last Updated: - Updated example sentences
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