actinometric

/ˌæktɪnoʊˈmɛtrɪk/
adjective
  1. Relating to the measurement of radiation, especially sunlight.
    • The textbook included a chapter on actinometric techniques used in climate studies.
    • The actinometric data helped the researchers understand seasonal changes in solar energy.
    • They installed an actinometric station on the roof to monitor UV levels throughout the year.
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