Becquerel ray
Appearance
English
[edit]Etymology
[edit]Radioactivity was discovered in 1896 by the French scientist Henri Becquerel.
Noun
[edit]Becquerel ray (plural Becquerel rays)
- (physics, archaic) A radioactive ray of any kind.
Radioactivity was discovered in 1896 by the French scientist Henri Becquerel.
Becquerel ray (plural Becquerel rays)