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Merriam-Webster's Collegiate Dictionary al·ler·gy \\ˈa-lər-jē\\ noun ( plural -gies) ETYMOLOGY German Allergie, from all- + Greek ergon work — more at work
DATE 1910
1. altered bodily reactivity (as hypersensitivity) to an antigen in response to a first exposure a bee venom allergy so severe that a second sting may be fatal2. exaggerated or pathological immunological reaction (as by sneezing, difficult breathing, itching, or skin rashes) to substances, situations, or physical states that are without comparable effect on the average individual3. medical practice concerned with allergies4. a feeling of antipathy or aversion
allergy
1911, from Ger. Allergie, coined 1906 by Clemens E. von Pirquet (1874-1929), Austrian pediatrician, from Gk. allos "other, different, strange" (from PIE *al- "beyond;" see alias) + ergon "activity" (see urge (v.)).
Oxford Collocations Dictionary for Students of English Oxford Collocations dictionary for students of Englishallergy
noun ADJ. food VERB + ALLERGY have, suffer from | develop | cause Hair and feathers can cause allergies. ALLERGY + NOUN sufferer PREP. ~ to He developed an allergy to pollen.
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Oxford Advanced Learner's Dictionary-牛津双解-OALD7 allergy
al·lergy / 5AlEdVi; NAmE 5AlErdVi / noun(pl. -ies)
~ (to sth) a medical condition that causes you to react badly or feel ill / sick when you eat or touch a particular substance
变态反应；过敏反应:
I have an allergy to animal hair.
我对动物毛过敏。
Webster's Third New International Dictionary, Unabridged al·ler·gy\ˈalə(r)jē, -ji, sometimes -ˌlərj-, -ˌlə̄j-, -ˌləij-\ noun( -es) Etymology: German allergie, from all- + -ergie -ergy 1. : altered bodily reactivity to an antigenic substance in response to a first exposure < an allergy to bee venom so severe that a second sting may be fatal >2. : exaggerated or pathological reaction marked by sneezing, respiratory embarrassment, itching and skin rashes, or other symptoms to substances (as germs, pollens, food, or drugs), situations (as mental or emotional excitement or exposure to sunlight), or physical states (as coldness) that are without comparable effect on the average individual < sneezing follows inhalation of pollens by persons having an allergy to them > < allergies due to foods often cause hives >— compare hypersensitive 3. : medical practice concerned with the diagnosis and treatment of allergy < he has practiced allergy for 15 years >4. : a feeling of antipathy or repugnance < a reputation of having an allergy to books — R.J.Crohn >
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