photometer
UK /fəˈtɒmɪtə(ɹ)/ · US /fəˈtɑmɪtɚ/ noun, verb
Forms photometers photometering photometered
- noun (physics) Any of several instruments used to measure various aspects of the intensity of light.
- verb (astronomy) To measure some aspect of light (from a star) using a photometer.
Synonyms
Etymology
Photo- + -meter: cf. F. photomètre.
Webster’s 1913
- noun An instrument for measuring the intensity of light, or, more especially, for comparing the relative intensities of different lights, or their relative illuminating power.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “photometer”, CC BY-SA 4.0. Details