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[ur-ti-kair-ee-uh] /ˌɜr tɪˈkɛər i ə/
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 forms
urticarial, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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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 allergy Nontechnical names hives, nettle rash
Derived Forms
urticarial, urticarious, adjective
Word Origin
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
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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
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urticaria in Medicine

urticaria ur·ti·car·i·a (ûr'tĭ-kâr'ē-ə)
A skin condition characterized by welts that itch intensely, caused by an allergic reaction, an infection, or a nervous condition. Also called hives, nettle rash.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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urticaria in Science
See hives.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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