polychromatic radiation


Also found in: Medical.

polychromatic radiation

[¦päl·i·krō′mad·ik ‚rād·ē′ā·shən]
(electromagnetism)
Electromagnetic radiation that is spread over a range of frequencies.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.