noun Pathology.

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

Origin of rosacea

1825–35; < New Latin (acnē) rosācea rose-colored (acne), Latin, feminine of rosāceus rosaceous
Also called acne rosacea. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for rosacea

blackheads, whiteheads, pustules

Examples from the Web for rosacea

Historical Examples of rosacea

  • The Comatula rosacea, one of the most beautiful of British star-fishes.

    The Sailor's Word-Book

    William Henry Smyth

British Dictionary definitions for rosacea



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

Word Origin and History for rosacea

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

Online Etymology Dictionary, © 2010 Douglas Harper

rosacea in Medicine




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.