In dictionaries:
multileaf collimator
(medicine) A collimator used in a linear accelerator to provide conformal shaping of beams for radiotherapy. Abbreviation: MLC.
Collimator sight
A collimator sight is a type of optical sight that allows the user looking into it to see an illuminated aiming point aligned with the device the sight is attached to, regardless of eye position (with little parallax).Elementary optics and application to fire control instruments By United States.
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