noun
- An instrument that automatically records changes in atmospheric humidity over time.
Usage: technical; meteorology
Examples
- The weather station uses a hygrograph to track humidity levels throughout the day.
- Scientists installed a hygrograph in the laboratory to monitor environmental conditions.
- The hygrograph produced a continuous chart showing how moisture in the air fluctuated.
- A hygrograph is essential equipment for meteorological research stations.
- The data from the hygrograph helped researchers understand seasonal humidity patterns.