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

Every once in a while, you let a word or phrase out and you want to catch it and bring it back. You can't do that. It's gone, gone forever.
Dan Quayle