Liberal Dictionary English Dictionary
n.
- Any of various airborne substances, such as pollen or spores, that can cause an allergic response.
- Any of various airborne substances, such as pollen or spores, that can cause an allergic response.
Remote Sensing Observations Providing Data to Support Aeroallergen
Distinguishing seasonal from perennial aeroallergen exposure
Biology Notes on Allergens | Microbiology