Meaning Of The Word Allergy

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What's the definition of Allergy? Find Allergy meanings, definitions and more at the Real Dictionary online.

Allergy Meaning

Allergy Definition
Allergy Definition

What's The Definition Of Allergy?

allergy
variable noun: If you have a particular allergy, you become ill or get a rash when you eat, smell, or touch something that does not normally make people ill.

allergy in American English
a hypersensitivity to a specific substance (such as a food, pollen, dust, etc.) or condition (as heat or cold) which in similar amounts or degrees is harmless to most people: it is manifested in a physiological disorder
noun: an abnormal reaction of the body to a previously encountered allergen introduced by inhalation, ingestion, injection, or skin contact, often manifested by itchy eyes, runny nose, wheezing, skin rash, or diarrhea

allergy in British English
noun: a hypersensitivity to a substance that causes the body to react to any contact with that substance. Hay fever is an allergic reaction to pollen

allergy in the Pharmaceutical Industry
noun: An allergy is a hypersensitivity to a particular antigen.

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