ATOPY
- a type of allergy (a state of hypersensitive reaction to certain things) [n ATOPIES] : ATOPIC [adj]
- allergy, involving an inherited immunoglobulin of the IgE type, that predisposes a person to certain allergic responses, as atopic dermatitis
- a probably hereditary allergy characterized by symptoms (as asthma, hay fever, or hives) produced upon exposure especially by inhalation to the exciting environmental antigen