- a skin condition characterized by the formation of itchy red or whitish raised patches, usually caused by an allergyNontechnical names: hives, nettle rash
WordReference Random House Unabridged Dictionary of American English © 2026
ur•ti•car•i•a
(ûr′ti kâr′ē ə),USA pronunciation n. [Pathol.]
ur′ti•car′i•al, adj.
- Pathologya transient condition of the skin, usually caused by an allergic reaction, characterized by pale or reddened irregular, elevated patches and severe itching;
hives.
- Neo-Latin, equivalent. to Latin urtīc(a) nettle + -āria, feminine of -ārius -ary
- 1765–75
Collins Concise English Dictionary © HarperCollins Publishers::
urticaria /ˌɜːtɪˈkɛərɪə/ n
'urticaria' also found in these entries (note: many are not synonyms or translations):