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Pronunciation
Definition 1
A material or device that allows certain substances to pass through it, while keeping other substances out. Filters may be used in cigarettes to help trap tar and other harmful substances found in tobacco smoke. (NCI Dictionary)
Definition 2
A device that removes something from whatever passes through it. (NCI Thesaurus)
Definition 3
A higher-order function which takes a predicate and a list and returns those elements of the list for which the predicate is true. It is a means of narrowing the scope of a report by specifying ranges or types of data to include or exclude. (NCI Thesaurus)
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A device designed to chemically treat film to develop the images on it.
The acquisition of images of an anatomic area that is being irradiated using radiotherapy beams and films as imaging media.
The use of x-rays to create a picture of the breast on a film.
A dosing unit equal to the amount of active ingredient(s) contained in a film.
