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

HYPERSENSITIVITY REACTION

\hˌa͡ɪpəsənsɪtˈɪvɪti ɹɪˈakʃən], \hˌa‍ɪpəsənsɪtˈɪvɪti ɹɪˈakʃən], \h_ˌaɪ_p_ə_s_ə_n_s_ɪ_t_ˈɪ_v_ɪ_t_i ɹ_ɪ__ˈa_k_ʃ_ə_n]\

Definitions of HYPERSENSITIVITY REACTION

2006 - WordNet 3.0
2011 - English Dictionary Database

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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

2006 - WordNet 3.0
By Princeton University

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

2011 - English Dictionary Database
By DataStellar Co., Ltd

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