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[roh-zey-shee-uh] /roʊˈzeɪ ʃi ə/
noun, Pathology.
a chronic form of acne affecting the nose, forehead, and cheeks, characterized by red pustular lesions.
Also called acne rosacea.
Origin of rosacea
1825-35; < New Latin (acnē) rosācea rose-colored (acne), Latin, feminine of rosāceus rosaceous Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for rosacea
Historical Examples
  • 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 pustular Also 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
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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
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rosacea in Medicine

rosacea ro·sa·ce·a (rō-zā'shē-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. Also called acne erythematosa, acne rosacea.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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