noun
- an instrument that automatically records changes in atmospheric pressure over time
Usage: meteorological
Examples
- The weather station’s barograph showed a steady drop in pressure before the storm arrived.
- Scientists use the barograph to track atmospheric pressure patterns throughout the day.
- The barograph’s continuous recording helped meteorologists predict the approaching low-pressure system.
- Old barographs used a rotating drum with paper to create a visual record of pressure changes.
- The pilot checked the barograph readings before takeoff to assess weather conditions.
- Modern digital barographs can store pressure data for months without maintenance.