Ac′ti‐nom″e‐try (�), n. 1. The measurement of the force of solar radiation. Maury.
2. The measurement of the chemical or actinic energy of light. Abney.
Webster's Dictionary 1913
Ac′ti‐nom″e‐try (�), n. 1. The measurement of the force of solar radiation. Maury.
2. The measurement of the chemical or actinic energy of light. Abney.