dust counter
noun
any instrument used to measure the size and number of dust particles per unit volume in the atmosphere.
Also called
nucleus counter.
Origin of dust counter
First recorded in 1890–95
Words nearby dust counter
dust bunny,
dust cart,
dust catcher,
dust cell,
dust coat,
dust counter,
dust cover,
dust devil,
dust down,
dust explosion,
dust gun
Example sentences from the Web for dust counter
It is not nearly so accurate as the dust-counter; but it is cheaper, more easily wrought, and more handy for quick work.
Meteorology |J. G. M'Pherson