pollen count

pollen count definition - medical

pollen count

noun
The average number of pollen grains, usually of ragweed, in a cubic yard or other standard volume of air over a 24-hour period at a specified time and place.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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