roentgenotherapy[-nə t̸her′ə pē]
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
the treatment of disease by means of X-rays
Origin: roentgeno- plush therapy
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
noun pl. roent·gen·o·ther·a·pies
The therapeutic use of x-rays in treating disease.