radiometry
/ˌreɪdiˈɑmətri/
noun
- The measurement of electromagnetic radiation, including visible light, infrared, and ultraviolet, often used in science and engineering.
- The scientist used radiometry to measure the amount of sunlight reaching the solar panels.
- Radiometry is essential for calibrating cameras and sensors used in satellites.
- In astronomy, radiometry helps determine the temperature and composition of distant stars.