allergen - WordReference.com Dictionary of English

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- See Also:
- - allegretto
  - allegro
  - allele
  - allelochemical
  - allelomorph
  - allelopathy
  - alleluia
  - allemande
  - Allen key
  - Allen screw
  - allergen
  - allergic
  - allergy
  - alleviate
  - alley
  - alley cat
  - alley-oop
  - alleyway
  - alliaceous
  - alliance
  - allicin
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allergen

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Concise Oxford English Dictionary © 2008 Oxford University Press:
allergen /ˈalədʒ(ə)n/

▶noun a substance that causes an allergic reaction.

– derivatives
allergenic adjective,
allergenicity noun.

'allergen' also found in these Oxford entries:

anergy - atopic - -gen

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