al·ler·gy ( l r-j )n. pl. al·ler·gies 1. An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergy may include sneezing, itching, and skin rashes. 2. Informal An adverse sentiment; antipathy: an allergy to cocktail parties.
[German Allergie : Greek allos, other; see allo- + Greek ergon, action; see werg- in Indo-European roots.] |
allergy Noun pl -gies 1. extreme sensitivity to a substance such as a food or pollen, which causes the body to react to any contact with it 2. Informal a strong dislike for something [Greek allos other + ergon activity]
allergy ( l r-j ) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms | Noun | 1. | allergy - hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensityfood allergy - allergic reaction to a substance ingested in food serum disease, serum sickness - a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum hypersensitivity reaction - 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 |
allergy noun 2. ( Informal) dislike, hatred, hostility, aversion, loathing, disgust, antipathy, animosity, displeasure, antagonism, distaste, enmity, opposition, repugnance, disinclination
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