radium
/ˈreɪdiəm/noun
उच्चारण रेडिअम
रेडियम (एक रेडियोधर्मी धातु)
Advanced word
noun
- 1
[U] technical
a chemical element that is a white radioactive metal, once widely used in treating cancer
रेडियम (एक रेडियोधर्मी धातु)
- Radium glows faintly in the dark.
- Early cancer treatment used small amounts of radium.
✓In the exam
General knowledge
Radium (symbol Ra) was discovered in 1898 by Marie Curie and Pierre Curie.
Radium (symbol Ra) की खोज 1898 में Marie Curie और Pierre Curie ने की थी।