multileaf collimator
nounEtymology So called because it is made up of individual "leaves" of a chemical element, usually tungsten, that can move independently in and out of the path of a particle beam in order to block it.
1
Medicine, Sciences A collimator used in a linear accelerator to provide conformal shaping of beams for radiotherapy. Abbreviation: MLC.
- Derived terms
- mini-multileaf collimator