aer·o·bi·ol·o·gy 
(âr′ō-bī-ŏlə-jē)
(âr′ō-bī-ŏlə-jē)n.
The study of the sources, dispersion, and effects of airborne biological materials, such as pollen, spores, and microorganisms.
aer′o·bi·o·logi·cal (-ə-lŏjĭ-kəl) adj.
aer′o·bi·o·logi·cal·ly adv.