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collimation

[ kŏl′ə-māshən ]
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n.
The process of restricting and confining an x-ray beam to a given area.
In nuclear medicine, the process of restricting the detection of emitted radiations to a given area of interest.
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Which of the following words means “to make a crackling sound; crackle”?
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

How to use collimation in a sentence

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