Actinometry
The Century Dictionary and Cyclopedia
noun.
The measurement of the intensity of radiation.
the GNU version of the Collaborative International Dictionary of English
noun.
The measurement of the force of solar radiation.
noun.
The measurement of the chemical or actinic energy of light.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
the measurement of the
heating
power
of
electromagnetic radiation
, especially that of
solar radiation
noun.
the measurement of the chemical or actinic energy of
light
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
measuring the intensity of electromagnetic radiation (especially of the sun's rays)