English Explanatory Dictionary

derma ray

English dictionary entry

Meanings

noun
  1. 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.

Word forms

derma ray derma rays

Etymology

Perhaps because they were found to cause dermatitis.

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on D Russian dictionary Dahl dictionary