Associations to the word «Photometer»

Wiktionary

PHOTOMETER, noun. (physics) Any of several instruments used to measure various aspects of the intensity of light.
PHOTOMETER, verb. (astronomy) To measure some aspect of light (from a star) using a photometer.

Dictionary definition

PHOTOMETER, noun. Measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source.
PHOTOMETER, noun. Photographic equipment that measures the intensity of light.

Wise words

Words are but symbols for the relations of things to one another and to us; nowhere do they touch upon absolute truth.
Friedrich Nietzsche