1. instruments that automatically record changes in atmospheric pressure over time
Usage: meteorological equipment; plural of barograph

Examples

• The weather station uses barographs to track pressure changes throughout the day.
• Scientists analyzed data from multiple barographs to predict the storm’s path.
• The old barographs in the observatory still function after decades of use.
• Modern digital barographs provide more accurate readings than mechanical ones.
• Meteorologists rely on barographs to identify approaching weather fronts.
• The museum displayed antique barographs from the early 1900s.