Atopy

//ˈætəpi// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A hereditary disorder marked by the tendency to develop localized immediate hypersensitivity reactions to allergens such as pollen, food etc and is manifested by hay fever, asthma, or similar allergic conditions; generally considered to be caused by the interaction of environmental and genetic factors. countable, uncountable

    "Whatever factor is invoked to explain the increase in asthma must also be capable of explaining other outbreaks of atopy."

  2. 2
    an allergic reaction that becomes apparent in a sensitized person only minutes after contact wordnet
  3. 3
    A person suffering from atopic syndrome; a case of atopy. countable, uncountable

Synonyms

All synonyms
atopic allergyatopicatopic syndromeimmediate allergyimmediate allergytype i allergic reaction

Example

More examples

"Whatever factor is invoked to explain the increase in asthma must also be capable of explaining other outbreaks of atopy."

Etymology

From Ancient Greek ἀτοπία (atopía, “extraordinary nature”), from ἄτοπος (átopos), from ἀ- (a-) + τόπος (tópos, “place”).

Related phrases

hay fever

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.