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
Recent Examples on the Web
While retinol is safe to use, people who are pregnant, those with sensitive skin, and people with skin conditions such as rosacea should avoid using it.
—
Laura Schober, Health, 2 June 2025
As a girl, she was also tormented by a reddish blotchiness on her face, most likely from rosacea or acne.
—James Marcus, New Yorker, 2 June 2025
Some of these topical forms are approved to treat parasites such as head lice and skin conditions such as rosacea.
—Katia Hetter, CNN Money, 24 Apr. 2025
On the flip side, a lot of people struggle with rosacea.
—Eleni N. Gage, Better Homes & Gardens, 14 May 2025
See All Example Sentences for rosacea
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Laura Schober, Health, 2 June 2025
As a girl, she was also tormented by a reddish blotchiness on her face, most likely from rosacea or acne.
—James Marcus, New Yorker, 2 June 2025
Some of these topical forms are approved to treat parasites such as head lice and skin conditions such as rosacea.
—Katia Hetter, CNN Money, 24 Apr. 2025
On the flip side, a lot of people struggle with rosacea.
—Eleni N. Gage, Better Homes & Gardens, 14 May 2025
See All Example Sentences for rosacea
Cite this Entry
“Rosacea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rosacea. Accessed 10 Jun. 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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