[rey-dee-oh-graf, -grahf]


Also called shadowgraph. a photographic image produced by the action of x-rays or nuclear radiation.

verb (used with object)

to make a radiograph of.

Nearby words

  1. radiofrequency,
  2. radiogenic,
  3. radiogold colloid,
  4. radiogoniometer,
  5. radiogram,
  6. radiographer,
  7. radiography,
  8. radioimmunity,
  9. radioimmunoassay,
  10. radioimmunodiffusion

Origin of radiograph

First recorded in 1875–80; radio- + -graph Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for radiograph

British Dictionary definitions for radiograph



an image produced on a specially sensitized photographic film or plate by radiation, usually by X-rays or gamma raysAlso called: radiogram, shadowgraph
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for radiograph




An image produced on a radiosensitive surface, such as a photographic film, by radiation other than visible light, as by x-rays passed through an object.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.