Daily Almanac for
May 25, 2012
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al•ler•gen



Pronunciation: (al'ur-jun, -jen"), [key]
—n. Immunol.
any substance, often a protein, that induces an allergy: common allergens include pollen, grasses, dust, and some medications.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Alleppeyallergenic
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