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Meaning of CAT scanner

CAT' scan"ner

Pronunciation: (kat), [key]
  1. a specialized x-ray instrument that displays computerized cross-sectional images of the body, providing a noninvasive means of visualizing the brain, lungs, liver, spleen, and other soft tissue. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.