Definition of "aerobiology" [aerobiology]

• The study of the sources, dispersion, and effects of airborne biological materials, such as pollen, spores, and microorganisms. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "For many years, the allergy seasons have been "getting longer and longer ... partly due to global warming," says Estelle Levetin, chairwoman of the aerobiology committee for the American Academy of Allergy, Asthma and Immunology."
• ""Pollen levels are increasing, pollen seasons are getting longer, and more people are developing allergies," says Estelle Levetin, Ph.D., chairwoman of the aerobiology committee for the American Academy of Allergy, Asthma & Immunology."
• "Dr. LEVETIN: Well, aerobiology is the study of airborne particles of biological origin."