Word of the Day
Everything After Z
Try Our Apps
a vertical glass tube partly evacuated and partly filled with mercury, the height of which is used as a measure of atmospheric pressure
C17: named after E.
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