Definition of atopic in English:
 atopic
adjectiveeɪˈtɒpɪkˌāˈtäpik
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.
 Example sentencesExamples
-  Children with atopic eczema should not automatically be put on a special diet.
 -  Terminology is often confusing; the terms atopic eczema and atopic dermatitis are often used synonymously.
 -  The prevalence of asthma and atopic symptoms is higher in children in Hong Kong than those in mainland China.
 -  The patient had never smoked and had no history of atopic illness.
 -  Recent information has shown a substantial increase in the incidence of asthma and atopic disease.
 -  The risk of atopic diseases decreases with exposure to siblings, early day care, living on a farm, and pet keeping.
 
Derivatives
  
noun 
 There is no evidence that immunisation causes atopy.
 Example sentencesExamples
-  Similarly, many surveys have identified an inverse relationship between prior microbial exposure and the development of atopy.
 -  The risk of developing hay fever, eczema, and atopy is reduced if you have older siblings.
 -  In addition, all subjects were atopic, although atopy was not an inclusion criterion in our study.
 -  Asthma is characterized by airway hyperreactivity, inflammation, and atopy.
 -  Coal tar has been used safely in the treatment of psoriasis and atopy.
 -  All patients in the asthma group reported a history of atopy, and four patients reported a history of exercise-induced bronchospasm.
 
Origin
  
Early 20th century: from Greek atopia 'unusualness', from atopos 'unusual', from a- 'without' + topos 'place'.