Radiometric (adjective)

1. Relating to or using radiometry, especially the measurement of radiant energy or electromagnetic radiation.
2. Pertaining to or utilizing radiometry in measuring the properties of materials.

Origin:

Late 19th century: from radio- + -metric, on the pattern of spectrometric.

Examples:

1. Radiometric measurements were used to determine the age of the Earth.
2. Radiometric methods have revolutionized our understanding of the universe.
3. Radiometric data was used to analyze the chemical composition of stars.
4. Radiometric instruments are crucial for understanding the properties of electromagnetic radiation.
5. Radiometric techniques have been widely used in the study of geology and materials science.