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
A THANKSGIVING SPELLING QUIZ TO FEED YOUR HISTORY KNOWHOW
Before you celebrate family and blessings this year, take this quiz to test your spelling knowledge of the history and important figures of the first Thanksgiving.
Question 1 of 7
Words nearby filter pump
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Example sentences 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.