Becquerel ray
English
Etymology
Radioactivity was discovered in 1896 by the French scientist Henri Becquerel.
Noun
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)