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alliancing
allied
allied member
alligator
alligator clip
alligator lizard
alligator pear
alligator snapping turtle
alliterate
alliteration
allium cepa
allo-
Alloa
allocate
allocation
allocation ledger
allocative efficiency
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allergen

al·ler·gen [ állərjən ] (plural al·ler·gens)


noun 
Definition:
 
substance causing allergy: any substance that causes an allergic reaction


al·ler·gen·ic [ àllər jénnik ] adjective
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