atopy
/ˈætəpi/noun
atopy is a noun meaning “A hereditary disorder marked by the tendency to develop localized immediate hypersensitivity reactions to allergens such as pollen, food etc and is…” (English Wiktionary, September 2026). It is spelled A-T-O-P-Y, and it appears about once in every 27 million words in written English (wordfreq, 2021 data). The plural of atopy is atopies.
What does atopy mean?
noun
- 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.
- 2
A person suffering from atopic syndrome; a case of atopy.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce atopy?
- UK /ˈætəpi/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of atopy
- atopies plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is atopy?
Atopy appears about once in every 27 million words in written English, the 157,761st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Atopy in Spanish, French, German and Portuguese
In the sense hereditary disorder:
| Language | Words |
|---|---|
| German | Atopie |
| Spanish | atopia |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does atopy come from?
From Ancient Greek ἀτοπία (atopía, “extraordinary nature”), from ἄτοπος (átopos), from ἀ- (a-) + τόπος (tópos, “place”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).