Allergen
noun
A substance that can cause an allergic reaction.
Peanuts are a common allergen for many people.

Usage tips
Neutral
food allergen,environmental allergen,common allergens
noun
A foreign substance that causes an immune response in the body.
For some, pollen is an allergen that triggers sneezing and other symptoms.

Usage tips
Neutral
skin allergen,seasonal allergens,environmental irritants
noun
A substance that can cause an allergic reaction.
Peanuts are a common allergen for many people.

Usage tips
Neutral
food allergen,environmental allergen,common allergens
noun
A foreign substance that causes an immune response in the body.
For some, pollen is an allergen that triggers sneezing and other symptoms.

Usage tips
Neutral
skin allergen,seasonal allergens,environmental irritants
Definition 1 of 2

Definition
An allergen is something that can provoke an allergic reaction in some individuals.
Some people are allergic to dust, which is an allergen.
Context
The context in which allergens are discussed often involves medical or dietary concerns.
In restaurants, acknowledging allergens is crucial for food safety.
Nuance
Not every person will react to the same allergen; reactions vary by individual.
While one person may react strongly to a bee sting (an allergen), another might not be affected at all.
Definition
An allergen is something that can provoke an allergic reaction in some individuals.
Some people are allergic to dust, which is an allergen.
Context
The context in which allergens are discussed often involves medical or dietary concerns.
In restaurants, acknowledging allergens is crucial for food safety.
Nuance
Not every person will react to the same allergen; reactions vary by individual.
While one person may react strongly to a bee sting (an allergen), another might not be affected at all.
Definition
An allergen is something that can provoke an allergic reaction in some individuals.
Some people are allergic to dust, which is an allergen.
Context
The context in which allergens are discussed often involves medical or dietary concerns.
In restaurants, acknowledging allergens is crucial for food safety.
Nuance
Not every person will react to the same allergen; reactions vary by individual.
While one person may react strongly to a bee sting (an allergen), another might not be affected at all.
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension