derma ray en · NOUN
Etymology
Perhaps because they were found to cause dermatitis.
Meanings
- (archaic) A weak radioactive ray arising from the impact of cathode particles with the molecules of gas contained in an X-ray tube or with the glass walls of the tube.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| derma rays | Number=Plur | lexicographic |