adverb
- in a manner relating to the measurement of light intensity or luminous flux
Usage: technical; scientific
Examples
- The instrument measures color photometrically by analyzing light wavelengths.
- The samples were analyzed photometrically to determine their optical properties.
- Photometrically calibrated sensors ensure accurate brightness readings.
- The laboratory photometrically tested the transparency of the glass samples.
- Data was collected photometrically using a specialized spectrophotometer.