rosacea
noun
ro·sa·cea
rō-ˈzā-sh(ē-)ə 
: a chronic inflammatory skin disorder typically involving the nose, forehead, and chin that is characterized especially by redness, flushing, telangiectasia, inflamed lesions, and burning sensation, and sometimes by eye dryness and irritation and thickening of tissues especially of the nose
called also acne rosacea
Examples of rosacea in a Sentence
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Her clients needed more help, products that have medical-grade ingredients to fight off acne, rosacea and aging, among other skin issues—with sustainable results.
—
Nadja Sayej, Forbes.com, 21 Apr. 2025
Customers can get professional results in the comfort of their own homes, and the brand offers something for nearly every skincare concern, including acne, rosacea, melasma, eczema, and signs of aging.
—Ethan Stone, USA TODAY, 25 Mar. 2025
If overnight flights are often on the itinerary, this triple-action formula tackles redness from rosacea, hyperpigmentation and flare-ups.
—Paula Conway, Forbes, 9 Dec. 2024
The boost setting also employs anti-inflammatory, clinical strength yellow LED to protect against rosacea, acne, and infection.
—Beth Landman, The Hollywood Reporter, 4 Dec. 2024
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Nadja Sayej, Forbes.com, 21 Apr. 2025
Customers can get professional results in the comfort of their own homes, and the brand offers something for nearly every skincare concern, including acne, rosacea, melasma, eczema, and signs of aging.
—Ethan Stone, USA TODAY, 25 Mar. 2025
If overnight flights are often on the itinerary, this triple-action formula tackles redness from rosacea, hyperpigmentation and flare-ups.
—Paula Conway, Forbes, 9 Dec. 2024
The boost setting also employs anti-inflammatory, clinical strength yellow LED to protect against rosacea, acne, and infection.
—Beth Landman, The Hollywood Reporter, 4 Dec. 2024
See All Example Sentences for rosacea
Cite this Entry
“Rosacea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rosacea. Accessed 3 May. 2025.
Copy CitationMedical Definition
rosacea
noun
ro·sa·cea
rō-ˈzā-sh(ē-)ə
: a chronic inflammatory skin disorder typically involving the nose, cheeks, forehead, and chin that is characterized especially by redness, flushing, telangiectasia, inflamed lesions, burning sensation, and sometimes eye dryness and irritation and thickening of tissues especially of the nose
called also acne rosacea
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