noun🔗ShareA disorder of the immune system causing adverse reactions to substances (allergens) not harmful to most and marked by the body's production of histamines and associated with atopy, anaphylaxis, and asthma."My sister has a severe allergy to peanuts, so we always check food labels carefully at restaurants. "medicinephysiologydiseasebodybiologybiochemistryorganismsensationChat with AIVocabulary GamePractice Reading
noun🔗ShareAny condition of hypersensitivity to a substance."My sister has a food allergy to peanuts. "medicinediseaseconditionphysiologybiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareAltered susceptibility to a first treatment as exhibited in reaction to a subsequent one."After her first penicillin injection, Sarah developed an allergy, reacting with hives to a second dose. "medicinephysiologydiseasebiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareAn antipathy, as toward a person or activity."My younger brother has a strong allergy to loud noises; he finds them very unpleasant. "attitudemindChat with AIVocabulary GamePractice Reading
