[ roh-zey-shee-uh ]
/ roʊˈzeɪ ʃi ə /
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noun Pathology.

a chronic form of acne affecting the nose, forehead, and cheeks, characterized by red pustular lesions.



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Also called acne rosacea .

Origin of rosacea

First recorded in 1825–35; from New Latin (acnē) rosācea “rose-colored (acne),” Latin, feminine of rosāceus “made of roses”; see origin at rosaceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for rosacea

British Dictionary definitions for rosacea

/ (rəʊˈzeɪʃə) /


a chronic inflammatory disease causing the skin of the face to become abnormally flushed and sometimes pustularAlso called: acne rosacea
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for rosacea

[ rō-zāshē-ə ]


A chronic dermatitis of the face, especially of the nose and cheeks, characterized by a red or rosy coloration with deep-seated papules and pustules and caused by dilation of capillaries.acne erythematosa acne rosacea
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.