erythematous

adjective

er·​y·​them·​a·​tous ˌer-ə-ˈthe-mə-təs How to pronounce erythematous (audio)
: exhibiting abnormal redness of the skin or mucous membranes due to the accumulation of blood in dilated capillaries (as in inflammation) : relating to or marked by erythema
an erythematous rash
Skin examination revealed multiple discrete, erythematous, scaly, indurated papules on the lower back and buttocks, areas which had not previously been affected.Jashin J. Wu et al.

Examples of erythematous 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.
These can show various types of skin disorders, including erythematous (red or discolored) and edematous (swelling) reactions, persisting for weeks or months. Nancy Lebrun, Verywell Health, 7 Oct. 2024

Word History

First Known Use

1787, in the meaning defined above

Time Traveler
The first known use of erythematous was in 1787

Dictionary Entries Near erythematous

Cite this Entry

“Erythematous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/erythematous. Accessed 22 Dec. 2024.

Medical Definition

erythematous

adjective
er·​y·​them·​a·​tous ˌer-ə-ˈthem-ət-əs, -ˈthēm-ət-əs How to pronounce erythematous (audio)
variants also erythemic
: relating to or marked by erythema
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