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allergen

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allergen /ˈælɚʤən/ noun
plural allergens
allergen
/ˈælɚʤən/
noun
plural allergens
Learner's definition of ALLERGEN
[count] medical
: a substance that causes an allergy
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— allergenic

/ˌælɚˈʤɛnɪk/ adjective [more allergenic; most allergenic]
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