denoting a form of allergy in which a hypersensitivity reaction such as eczema or asthma may occur in a part of the body not in contact with the allergen (湿疹或哮喘等病症中未与反应原接触而产生)特异反应(性)的
派生 atopy noun 语源
early 20th cent.: from Greek atopia 'unusualness', from atopos 'unusual', from a- 'without' + topos 'place'