radium Definition
ra·dium (rā′dē əm)
noun
a radioactive, metallic chemical element, one of the alkaline-earth metals, found in very small amounts in pitchblende and other minerals containing uranium: it undergoes spontaneous atomic disintegration through several stages, emitting alpha, beta, and gamma rays and finally forming an isotope of lead: radium is used in neutron sources and in the treatment of cancer and other diseases: symbol, Ra; at. no., 88
Etymology: ModL < L radius, ray (see radius) + -ium: so named (1898) by P. & M. Curie & G. Bémont, because it emits rays
radium Usage Examples
Converse of object
- discover: The action was a process and who discovered radium are those of.
- use: Souttar was also the first at the Hospital to use radium in cancer treatment.
- contain: Immediately the Congress ordered the removal of all products containing radium from the market.
- become: When uranium decays, it becomes radium, and when radium decays, it becomes radon.
Preposition: in
uranium: Retains the same plate in order radium in uranium.
Modifies a noun
- emanation: Exposure he developed any voltage and radium emanation but.
- radioactivity: Out only a no mention of quot radium radioactivity.
- treatment: From 1931 it was linked with the Holt Radium Institute which gave radium treatments for patients in local hospitals.
- decay: How quickly does a cup of tea cool, or radium decay?
- ray: My husband published, beside, a study of the action of a magnetic field on radium rays.
- needle: Imagine trying to find a lost Radium needle on a rubbish dump with a gold leaf electroscope!
Noun used with modifier
Browse dictionary entries near radium
- ‹ Radisson, Pierre-Esprit
- ‹ radish
- ‹ radiotracer
- ‹ radiothorium
- ‹ radiothermy
- ‹ radiotherapy
- ‹ radiotelephone
- ‹ radiotelegraph
- ‹ radiostrontium
- ‹ radiosonde
- radium therapy ›
- radius ›
- radius vector ›
- radix ›
- RAdm ›
- Radnorshire ›
- Rado,James ›
- Radom ›
- radome ›
- radon ›

