a record traced by a barograph or similar instrument.
Origin of barogram
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meteorol the record of atmospheric pressure traced by a barograph or similar instrument
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
The continuous record of atmospheric pressure made by a barograph.
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