Search Result for "pollen count":
Wordnet 3.0

NOUN (1)

1. the number of pollen grains (usually ragweed) in a standard volume of air over a twenty-four hour period and a specified time and place; 



WordNet (r) 3.0 (2006):

pollen count
    n 1: the number of pollen grains (usually ragweed) in a standard
         volume of air over a twenty-four hour period and a
         specified time and place