noun an instrument for measuring the intensity of the photogenic (light-producing) rays, and computing the power of object glasses.
DYNACTINOMETER
Meaning of DYNACTINOMETER in English
Webster English vocab. Английский словарь Webster. 2012
noun an instrument for measuring the intensity of the photogenic (light-producing) rays, and computing the power of object glasses.
Webster English vocab. Английский словарь Webster. 2012