Actinometer
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A device used to measure the heating power of electromagnetic radiation, especially that of solar radiation.
- 2 an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect) wordnet
Etymology
From actino- + -meter.
Related phrases
More for "actinometer"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.