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[lămə-nə-grăf′]
n.
  1. An x-ray machine that uses a technique in which tissues above and below the level of a suspected lesion are blurred out to emphasize a specific area.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.