rosacea

noun ro·sa·cea \ rō-ˈzā-sh(ē-)ə \

|Updated on: 21 Jul 2018

Definition of rosacea

: 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

Recent Examples of rosacea from the Web

Again, Sir John doesn't mention dark circles or rosacea.

— devon abelman, Allure, "Inside the "Boy Beat" Makeup Trend That's Polarizing Instagram," 19 Mar. 2018
Burning and stinging is common, but—and this is a big distinction—rosacea doesn’t usually present with itching.

— ruby buddemeyer, Marie Claire, "Behold: The 5 Most Likely Causes for Those Random Red Spots on Your Skin," 14 Feb. 2018
That irritation would overwhelm skin that is already inflamed from acne or rosacea.

— crystal martin, New York Times, "Exfoliation Tips for the Best Skin Ever," 25 June 2018
Dermatologists often recommend this superstar SPF, too; the brand made the cut in our roundups of the best sunscreens for sensitive skin, best moisturizers for people with rosacea, best anti-aging products of all time, and others.

— kathleen mulpeter, Health.com, "Drew Barrymore Swears By This 'Amazing' Lightweight Sunscreen That Doesn't Cause Breakouts," 4 June 2018
And the fact that Trump's use of the hair-loss and rosacea drugs was obscured in the first place suggests that Bornstein wasn't allowed to be particularly forthcoming.

— aaron blake, Washington Post, "The crazy ‘raid’ of Trump’s former doctor," 1 May 2018
His past medical history includes hypercholesterolemia and rosacea.

— jamie ducharme, Time, "The White House Doctor Called President Trump's Health 'Excellent.' Here's the Full Summary of His Physical Exam," 18 Jan. 2018
This may be due to a skin condition like rosacea or eczema, or it mightbe from overexfoliating or OD-ing on an intense active retinol.

— katheryn erickson, Glamour, "Why You're Probably Overwashing Your Face," 2 May 2018
Bornstein also told the Times that Trump took medication for rosacea and high cholesterol, too.

— stephen a. crockett jr., The Root, "Trump’s Goons Stormed Doctor’s Office Just 2 Days After He Claimed He Gave Trump Hair-Growth Meds: Report," 1 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rosacea.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of rosacea

short for New Latin acne rosacea rose-colored acne

NEW! Time Traveler

First Known Use: 1843

in the meaning defined above

See Words from the same year

Medical Dictionary

rosacea

noun ro·sa·cea \ rō-ˈzā-sh(ē-)ə \

medical Definition of rosacea

: 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