rosacea

American  

[-shee-uh, roh-zey-shuh] / -ʃi ə, roʊˈzeɪ ʃə /

noun

Pathology.

1. a chronic disorder of the facial skin marked by flare-ups and remissions that is often mistaken for acne and is characterized by flushing, redness, pimples, visible blood vessels, and burning or stinging.

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rosacea British  

/ rəʊˈzeɪʃə /

noun

1. Also called: acne rosacea.  a chronic inflammatory disease causing the skin of the face to become abnormally flushed and sometimes pustular

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Etymology

Origin of rosacea

First recorded in 1825–35; from New Latin (acnē) rosācea “rose-colored (acne),” Latin, feminine of rosāceus “made of roses”; rosaceous

Example Sentences

A number of adverts for LED face masks have been banned for making unauthorised claims they can improve acne and rosacea.

From BBC • Nov. 4, 2025

King recommends that people with dry or sensitive skin, as well as those with rosacea, stay away from ice facials, as the cold can be irritating and cause flaking and redness.

From National Geographic • Feb. 21, 2024

For instance, he said, rosacea sometimes resembles acne, and a type of fungal infection called malassezia folliculitis can also cause pimplelike bumps.

From Seattle Times • Dec. 18, 2023

Sorensen adds that heat can trigger flare-ups in a surprisingly large range of chronic health conditions, including asthma, hypertension, migraines, rosacea, chronic kidney disease, type 2 diabetes and cardiovascular disease.

From Scientific American • Aug. 5, 2023

The Comatula rosacea, one of the most beautiful of British star-fishes.

From The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. by Belcher, Edward, Sir