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pl.n. (used with a sing. or pl. verb)
A rash characterized by intensely itching welts, triggered by the release of histamine and caused by an allergic response to any of multiple agents or conditions, including food, drugs, and infections. Also called nettle rash, urticaria.
(Pathology) (functioning as singular or plural) pathol a nontechnical name for urticaria
[C16: of uncertain origin]
n. (used with a sing. or pl. v.)
a transient eruption of large, itchy wheals on the skin usu. caused by an allergic reaction; urticaria.
[1490–1500; orig. Scots; of obscure orig.]
Itchy welts on the skin that are redder or paler than the surrounding skin. Hives may result from an allergic reaction, but often the cause is unknown.
A skin condition, also known as urticaria, characterized by raised swellings that itch and burn. It is caused by allergies and sometimes injury or cold.
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|Noun||1.||hives - an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs|
hypersensitivity reaction - an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock