photometry

About 0.36 uses per million words.

Meaning

1. noun The measurement of various aspects of light, especially its intensity.
2. noun The measurement of the intensity and spectrum of light from stars.

Similar words

photometric heterochromatic photophysics thermophotometry light-scattering photometry spectrophotometer photointensity phot photoenergy photoabsorbance

Often followed by

of and is in for was with to has

Word family

photometries