What is the definition of Allergic reaction? | Dictionary.net

ALLERGIC REACTION

\ɐlˈɜːd͡ʒɪk ɹɪˈakʃən], \ɐlˈɜːd‍ʒɪk ɹɪˈakʃən], \ɐ_l_ˈɜː_dʒ_ɪ_k ɹ_ɪ__ˈa_k_ʃ_ə_n]\

Definitions of ALLERGIC REACTION

2006 - WordNet 3.0
2011 - English Dictionary Database
2010 - Medical Dictionary Database
1910 - Black's Law Dictionary (2nd edition)

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hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity

2006 - WordNet 3.0
By Princeton University

hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity

2011 - English Dictionary Database
By DataStellar Co., Ltd

Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen.

2010 - Medical Dictionary Database
By DataStellar Co., Ltd

An unusual responce to an allergen. The body is attempting to fight off the strange substance. It can be mild or severe. Refer to intolerance.

1910 - Black's Law Dictionary (2nd edition)
By Henry Campbell Black

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