Associations to the word «Photometry»

Wiktionary

PHOTOMETRY, noun. (physics) The measurement of various aspects of light, especially its intensity.
PHOTOMETRY, noun. (astronomy) The measurement of the intensity and spectrum of light from stars.

Dictionary definition

PHOTOMETRY, noun. Measurement of the properties of light (especially luminous intensity).

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats