noun
- Plural of hygrograph; instruments that automatically record changes in atmospheric humidity over time.
Usage: technical; scientific
Examples
- The laboratory installed several hygrographs to monitor humidity levels throughout the building.
- Meteorologists use hygrographs to track daily and seasonal variations in atmospheric moisture.
- The hygrographs in the museum's climate control system help preserve delicate artifacts.
- Data from the hygrographs showed a significant increase in humidity during the rainy season.