filter pump
noun
a vacuum pump used to assist laboratory filtrations in which a jet of water inside a glass tube entrains air molecules from the system to be evacuated
Nearby words
filter feeder, filter feeding, filter out, filter paper, filter press, filter pump, filter tip, filterable, filterable virus, filtering operation, filth
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Examples from the Web for filter pump
In the filter-pump, water is used instead of mercury, the pump being connected to an ordinary water-tap.