actinometry
noun/ˌæktɪˈnɒmətɹi/
Etymology From actino- + -metry.
1
the measurement of the heating power of electromagnetic radiation, especially that of solar radiation
- the air with its actinometry presents itself in the light of a thermal adjustment , by which the land and sea are prevented from becoming seething hot1855, Matthew Fontaine Maury, The Physical Geography of the Sea, and Its Meteorology:
2
the measurement of the chemical or actinic energy of light
- ACTINOMETRY (chapter title)1878, William de Wiveleslie Abney, A treatise on photography:
- Related terms
- actinometer, actinometric