allergen

noun
al·​ler·​gen | \ ˈa-lər-jən How to pronounce allergen (audio) \

Definition of allergen

: a substance (such as pollen) that induces allergy

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Other Words from allergen

allergenic \ ˌa-​lər-​ˈje-​nik How to pronounce allergenic (audio) \ adjective
allergenicity \ ˌa-​lər-​jə-​ˈni-​sə-​tē How to pronounce allergenicity (audio) \ noun

Examples of allergen in a Sentence

common allergens, such as pollen

Recent Examples on the Web

While baby noticing a different flavor isn’t necessarily bad, keep a keen eye on her reactions to common allergens such as dairy or wheat. Karla Walsh, Woman's Day, "The Best Breastfeeding Diet," 25 Feb. 2019 Beyond the legal requirements for restaurants with regard to labeling allergens, Steijer attributes much of the widespread availability of gluten free menu items to the convergence of two cultural factors. SELF, "I'm a Foodie With Celiac Disease. Here's Why I Love Traveling to Sweden," 25 Sep. 2018 People with animal allergies say flights with multiple pets have grown more common, exposing them to more allergens. Scott Mccartney, WSJ, "On U.S. Planes, the Dogs Are Winning," 8 Aug. 2018 Immunotherapy creates tolerance by repeatedly dosing a person with tiny amounts of the allergen. Amber Dance, Washington Post, "Peanut allergy is one of the most severe food allergies. New therapies might help.," 12 May 2018 Don't forget to extend the life of your new pad by using a mattress protector, which can keep out keep out dust, allergens, spills, and other hazards. Amy Roberts, Good Housekeeping, "The Definitive Guide to Buying a Mattress," 14 Nov. 2018 That’s actually a very, very common allergen in the airplane. Rachel Becker, The Verge, "What happens on plane full of sick passengers? An aerospace medicine expert explains," 6 Sep. 2018 Friedman points out that conditioners can be potential allergens for some people, which can cause allergic contact dermatitis. Kaleigh Fasanella, Allure, "Experts Explain How Conditioner Benefits Your Hair (and Why You Should Always Use It)," 16 Oct. 2018 And emerging companies have come up with ways to gently do the same with a variety of allergens: SpoonfulOne is a powder that contains food proteins like soy and peanuts to be mixed into a baby’s food. Jessica Migala, Woman's Day, "How to Keep Your Kids Safe From Food Allergies," 19 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'allergen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of allergen

circa 1907, in the meaning defined above

History and Etymology for allergen

International Scientific Vocabulary allergy + -gen

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Statistics for allergen

Last Updated

16 Mar 2019

Look-up Popularity

Time Traveler for allergen

The first known use of allergen was circa 1907

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More Definitions for allergen

allergen

noun

English Language Learners Definition of allergen

medical : a substance that causes an allergy

allergen

noun
al·​ler·​gen | \ ˈa-lər-jən How to pronounce allergen (audio) \

Kids Definition of allergen

: a substance that causes an allergic reaction

allergen

noun
al·​ler·​gen | \ ˈal-ər-jən How to pronounce allergen (audio) \

Medical Definition of allergen

: a substance that induces allergy inhaled allergens a suspected food allergen

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More from Merriam-Webster on allergen

Spanish Central: Translation of allergen

Nglish: Translation of allergen for Spanish Speakers

Britannica English: Translation of allergen for Arabic Speakers

Britannica.com: Encyclopedia article about allergen

Comments on allergen

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