noun \ˈa-lər-jən\

medical : a substance that causes an allergy

Full Definition of ALLERGEN

:  a substance (as pollen) that induces allergy
al·ler·gen·ic \ˌa-lər-ˈje-nik\ adjective
al·ler·ge·nic·i·ty \ˌa-lər-jə-ˈni-sə-tē\ noun

Examples of ALLERGEN

  1. common allergens, such as pollen

Origin of ALLERGEN

International Scientific Vocabulary allergy + -gen
First Known Use: 1910

Other Medicine Terms

analgesia, angina, diabetes, hepatitis, homeopathy, logorrhea, palliate, pandemic


noun \ˈal-ər-jən\   (Medical Dictionary)

Medical Definition of ALLERGEN

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


Next Word in the Dictionary: allergic
Previous Word in the Dictionary: Allen wrench
All Words Near: allergen

Seen & Heard

What made you want to look up allergen? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More