roentgenism

[rĕntgə-nĭz′əm, -jə-, rŭnt-]

n.

The use of x-rays in the diagnosis and treatment of disease.
A damaging effect of x-rays on tissues.

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