noun Pathology.

a transient condition of the skin, usually caused by an allergic reaction, characterized by pale or reddened irregular, elevated patches and severe itching; hives.

Origin of urticaria

1765–75; < New Latin, equivalent to Latin urtīc(a) nettle + -āria, feminine of -ārius -ary
Related formsur·ti·car·i·al, adjective
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British Dictionary definitions for urticaria



a skin condition characterized by the formation of itchy red or whitish raised patches, usually caused by an allergyNontechnical names: hives, nettle rash
Derived Formsurticarial or urticarious, adjective

Word Origin for urticaria

C18: from New Latin, from Latin urtīca nettle
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 urticaria

medical Latin, from Latin urtica "nettle," from urere "to burn." The native name is nettle-rash.

Online Etymology Dictionary, © 2010 Douglas Harper

urticaria in Medicine




A skin condition characterized by welts that itch intensely, caused by an allergic reaction, an infection, or a nervous condition.hives nettle rash
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

urticaria in Science



See hives.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.