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.

Bibliography Information
Webster, Noah. Entry for 'Photometer'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/photometer.html. 1828.