from The American Heritage® Dictionary of the English Language, 4th Edition
- Roentgen, Wilhelm Konrad 1845-1923. German physicist who discovered x-rays and developed x-ray photography, revolutionizing medical diagnosis. He won a 1901 Nobel Prize.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
- n. German physicist who discovered x-rays and developed roentgenography (1845-1923)
Sorry, no etymologies found.