(botany) A single male reproductive particle of which the pollen of a plant consists.

plural of pollen grain

the measurement of the number of grains of pollen in a cubic meter of air

plural of pollen counter

A device used to measure the amount of pollen in the air, to determine the pollen count.

plural of pollen count

plural of pollen tube

plural of pollen parent

Any wasp in the vespid subfamily Masarinae, which are unique among the vespids in feeding their larvae with pollen and nectar, instead of with insects.

plural of pollen wasp