target-film distance


Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to target-film distance: penumbra

tar·get-film dis·tance

(TFD) (tahrgĕt-film distăns)
The space measured from the focal point of an x-ray tube to the film.
Synonym(s): source-film distance.
Medical Dictionary for the Dental Professions © Farlex 2012
Mentioned in ?
Medical browser ?
Full browser ?