单词 | allergy |
释义 | allergy[ al-er-jee ] / ˈæl ər dʒi / SEE SYNONYMS FOR allergy ON THESAURUS.COM noun, plural al·ler·gies.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. hypersensitivity to the reintroduction of an allergen. Compare anaphylaxis. Informal. a strong dislike or aversion, as toward a person or activity: He has an allergy to hard work. Origin of allergy1910–15; <Greek áll(os) other + -ergy<Greek -ergia, equivalent to érg(on) activity + -ia-y3 Words nearby allergyallergic purpura, allergic reaction, allergic rhinitis, allergic salute, allergist, allergy, allesthesia, allethrin, alleviant, alleviate, alleviation Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for allergyBritish Dictionary definitions for allergyallergy / (ˈælədʒɪ) / noun plural -giesa hypersensitivity to a substance that causes the body to react to any contact with that substance. Hay fever is an allergic reaction to pollen informal aversionhe has an allergy to studying Word Origin for allergyC20: from German Allergie (indicating a changed reaction), from Greek allos other + ergon activity Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for allergyallergy A highly sensitive reaction of the body to certain substances, such as pollen, that are present in amounts that do not affect most people. Common indications of allergy include sneezing, skin rashes, itching, and runny nose. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for allergyallergy [ ăl′ər-jē ] n.An abnormally high acquired sensitivity to certain substances, such as drugs, pollens, or microorganisms, that may include such symptoms as sneezing, itching, and skin rashes. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for allergyallergy [ ăl′ər-jē ] An abnormally high immunologic sensitivity to certain stimuli such as drugs, foods, environmental irritants, microorganisms, or physical conditions, such as temperature extremes. These stimuli act as antigens, provoking an immunological response involving the release of inflammatory substances, such as histamine, in the body. Allergies may be innate or acquired in genetically predisposed individuals. Common symptoms include sneezing, itching, and skin rashes, though in some individuals symptoms can be severe. See also anaphylactic shock. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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