Index of English words, starting with "ph"

(1) - Photometer (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.

(1) - Photometry (n.) That branch of science which treats of the measurement of the intensity of light.

(1) - Photomicrograph (n.) A microscopically small photograph of an object.
(2) - Photomicrograph (n.) An enlarged or macroscopic photograph of a microscopic object. See Microphotograph.