MICROPHOTOMETRY is validvalid

[n]

194,708 of 196,601 in NWL2023·also valid in CSW24

measurement by microphotometer, an instrument for measuring the amount of light transmitted or reflected by small areas or for measuring the relative densities of spectral lines on a photographic film or plate [n]

146,394 of 280,887 in CSW24·also valid in NWL2023