Actinometry

//ˌæktɪˈnɒmətɹi// noun

Definitions

Noun
  1. 1
    the measurement of the heating power of electromagnetic radiation, especially that of solar radiation countable, uncountable

    "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 hot"

  2. 2
    measuring the intensity of electromagnetic radiation (especially of the sun's rays) wordnet
  3. 3
    the measurement of the chemical or actinic energy of light countable, uncountable

    "ACTINOMETRY (chapter title)"

Etymology

From actino- + -metry.

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