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Douglas Harper's Etymology Dictionary
rosacea

1876, short for acne rosacea (1833), from fem. of Latin rosaceus "rose-colored" (see rose (n.1)).

Wiktionary
rosacea

n. (context pathology English) A chronic condition characterized by redness of the face.

WordNet
rosacea

n. a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance [syn: acne rosacea]

Wikipedia
Rosacea

Rosacea is a long term skin condition characterized by facial redness, small and superficial dilated blood vessels on facial skin, papules, pustules, and swelling. Rosacea typically begins as redness on the central face across the cheeks, nose, or forehead, but can also less commonly affect the neck, chest, ears, and scalp. In some cases, additional signs, such as semipermanent redness, dilation of superficial blood vessels on the face, red domed papules (small bumps) and pustules, red gritty eyes, burning and stinging sensations, and in some advanced cases, a red lobulated nose ( rhinophyma), may develop.

Rosacea affects all ages and has four subtypes, three affecting the skin and the fourth affecting the eyes ( ocular rosacea). It primarily affects people of northwestern European descent and has been nicknamed the "curse of the Celts" by some in Britain and Ireland, although such a connection has been questioned. Rosacea is almost three times more common in women. It is commonly found in people between the ages of 30 and 50, and is more common in Caucasians.

Treatment has typically been with doxycycline, tetracycline, or metronidazole. Other treatments with tentative benefit include brimonidine cream, ivermectin cream, and isotretinoin.

Rosacea (disambiguation)

Rosacea and similar can mean:

  • Rosacea, a human skin condition
  • Rosacea, a genus of marine invertebrates in the family Prayidae
  • Quercus x rosacea, a tree hybrid between Quercus petraea and Quercus robur

Not to be confused with:

  • Rosaceae, a family of plants

Usage examples of "rosacea".

He was red-cheeked and his nose was a swollen network of broken veins, probably from rosacea, but it could also have been drink.

The tiny broken veins in his big nose faded into the wide rosacea blotches that marred his otherwise pasty face.

For in the case of the five pericarps this number is a quality immanent in the apple, which it shares with the whole species of Rosaceae.

Equip a man with an enormous nose, disfigured perhaps with acne rosacea.

Closely related to the Alchemillas, belonging to the same subdivision, Sanguisorbidae, of the order Rosaceae and having similar medicinal properties to Alchemilla vulgaris, are the Burnets, Sanguisorba officinalis and Poterium sanguisorba.