noun
- Plural of photometer; instruments that measure the intensity or brightness of light.
Usage: technical; scientific
Examples
- The laboratory uses several photometers to measure light absorption in chemical solutions.
- Photographers rely on photometers to determine the correct exposure settings for their cameras.
- Modern photometers can detect very small changes in light intensity.
- The technician calibrated the photometers before conducting the experiment.
- Different types of photometers are used in astronomy to measure the brightness of stars.