from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An instrument used to measure light intensity.

from the GNU version of the Collaborative International Dictionary of English

  • n. an instrument for measuring the intensity of light; a photometer.

from The Century Dictionary and Cyclopedia

  • n. A photometer.
  • n. A sunshine-recorder designed to measure the combined effect of the duration and intensity of sunshine in promoting evaporation.


Sorry, no etymologies found.


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