Definition of atopic in English:



  • Denoting a form of allergy in which a hypersensitivity reaction such as dermatitis or asthma may occur in a part of the body not in contact with the allergen.

    • ‘The patient had never smoked and had no history of atopic illness.’
    • ‘Children with atopic eczema should not automatically be put on a special diet.’
    • ‘The risk of atopic diseases decreases with exposure to siblings, early day care, living on a farm, and pet keeping.’
    • ‘The prevalence of asthma and atopic symptoms is higher in children in Hong Kong than those in mainland China.’
    • ‘Terminology is often confusing; the terms atopic eczema and atopic dermatitis are often used synonymously.’
    • ‘Recent information has shown a substantial increase in the incidence of asthma and atopic disease.’


Early 20th century: from Greek atopia a being out of place from atopos out of place from a- without + topos place.