an instrument showing roughly the variations in atmospheric pressure.
Origin of baroscope
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for baroscope
Historical Examples of baroscope
In my Baroscope, I have never found the Quicksilver higher than 30.
Sometimes (I say not often) the Baroscope yields not to other very great changes of the Air.
any instrument for measuring atmospheric pressure, esp a manometer with one side open to the atmosphere
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