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allergen

UK/ˈælə(ɹ)ˌd͡ʒɛn/US/ˈælə(ɹ)ˌd͡ʒɛn/
nounB2+Rare in speech; mostly a word you read · #14,325 of 15,258leans written

Other forms: allergens

An allergen is a food ingredient that can cause a dangerous reaction. Declare the allergens, a common allergen, free from allergens.

Fourteen must be declared by law on food sold in Britain and the European Union, including nuts, milk, eggs and sesame. Traces matter — for some people a shared fryer is enough. The word was made on the model of pathogen and antigen.

Definitions of allergen

  1. 1nounallergenA substance that can cause an allergic reaction.B2+

    “Peanuts are a common allergen, so the menu marks every dish that contains them.”

allergen is a substance.

Where it comes from

Allergy plus -gen, coined on the model of pathogen and antigen.

  1. German

    Allergie

  2. English

    allergy

  3. English, today

    allergen

Built from

  • ἔργον · Ancient Greek — work, activity

Syncopated compound of allergy + -gen, coined on the model of pharmaceutical words such as pathogen and antigen. allergy Borrowed from German Allergie. Borrowed from German Allergie. Coined by Austrian pediatrician Clemens von Pirquet in 1906 from Ancient Greek ἄλλος (“other”) + ἔργον (“work, activity”), on the model of Energie.

Etymology from Wiktionary, CC BY-SA

Practised in Restaurant & Cafe

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allergen in the wild

  • An allergy is an exaggerated immune response where the body mistakenly identifies an ordinarily harmless allergen as a threat.

    Allergy

  • Early exposure of children to potential allergens may be protective.

    Allergy

  • An allergen is an otherwise harmless substance that triggers an allergic reaction in sensitive individuals by stimulating an immune response.

    Allergen

  • Symptom onset is often within minutes following allergen exposure, and can affect sleep and the ability to work or study.

    Allergic rhinitis

  • Allergic rhinitis is typically triggered by environmental allergens such as pollen, pet hair, dust mites, or mold.

    Allergic rhinitis

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

Related words

the Allergie family

allergicallergy

allergen — used about once every 54,060 pages · #14,325 · point at the bar for the others