Roentgen rays
Radioactivity and Roentgen rays are semantically related in picture of inside a body topic. In some cases you can use "Radioactivity" instead a noun phrase "Roentgen rays".
Radioactivity
Radioactivity noun - The spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.
Show all Definitions
Synonyms for Radioactivity
Roentgen rays and radioactivity are semantically related in picture of inside a body topic. You can use "Roentgen rays" instead a noun "Radioactivity".
Nearby Word: radioactive
Mutual synonyms
Cite this Source
Radioactivity and Roentgen rays. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/roentgen_rays/radioactivity
Roentgen rays & Radioactivity. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/roentgen_rays/radioactivity>.
Radioactivity or Roentgen rays. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/roentgen_rays/radioactivity.
Google Ngram Viewer shows how "Roentgen rays" and "radioactivity" have occurred on timeline