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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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allergen
any substance that can cause an allergy
any substance that can cause an allergy
noun.substance
1 Subcategories
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ragweed pollen go
pollen of the ragweed plant is a common allergen