Barograph
/ˈbærəɡræf/
Definition 1 of 1
Pro Tip 1/3Weather Tracking
A barograph is central in meteorology for long-term pressure trend monitoring, vital for weather prediction. 
The researchers reviewed barograph data to forecast the storm's arrival.
Pro Tip 2/3Physical Device
Unlike some modern digital devices, many barographs use physical charts and pens to display data. 
The barograph's pen slowly etched lines on the rotating paper chart over the week.
Pro Tip 3/3Scientific Jargon
The term 'barograph' is specialized; use it around those familiar with scientific and meteorological equipment. 
In her presentation, she explained how a barograph works to the group of climate scientists.