photometric
Pertaining to photometry, or the measurement of the intensity of light, or to the photometer, or instrument by which this is effected; employing or made by a photometer: as, photometric researches or observations.
In biology, exhibiting photometry; governed as to position by the varying intensity of light.
adjectiveOf or pertaining to photometry, or to a photometer.
adjectiveOf or relating to
Adjusting position with respect to light.
adjectiveof or relating to photometry