/ Dictionary / Index P phototheodolite: Meaning and Definition of Find definitions for: pho•to•the•od•o•lite Pronunciation: (fō"tō-thē-od'l-īt"), [key] — n. an optical tracking instrument consisting of a camera and theodolite mounted on a single tripod, used in photogrammetry and in tracking rockets. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phototelegraphy phototherapeutics Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language