noun
- an instrument that measures the intensity of radiant energy, especially electromagnetic radiation
Usage: scientific
Examples
- The scientist used a radiometer to measure solar radiation levels.
- The Crookes radiometer spins when exposed to light.
- Weather stations often include radiometers to monitor incoming solar energy.
- The radiometer detected increased radiation from the heat source.
- Students observed how the radiometer’s vanes rotated under the lamp.
- Satellite radiometers help scientists study Earth’s energy balance.