Actinometer
Actinometer noun - An instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect).
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Synonyms for Actinometer
Light meter and actinometer are semantically related In some cases you can replace phrase "Light meter" with "Actinometer", this terms are similar.
Light meter
Light meter noun - Photographic equipment that measures the intensity of light.
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Synonyms for Light meter
Actinometer and light meter are semantically related in photography device topic. You can use "Actinometer" instead a noun phrase "Light meter".
Mutual synonyms
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Light meter and Actinometer. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/actinometer/light_meter
Actinometer & Light meter. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/actinometer/light_meter>.
Light meter or Actinometer. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/actinometer/light_meter.
Google Ngram Viewer shows how "actinometer" and "light meter" have occurred on timeline