Bible Dictionaries
Photometer
Webster's Dictionary
(n.) An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.
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Bibliography Information
Webster, Noah. Entry for 'Photometer'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/photometer.html. 1828.