Similar words: ammonium, meconium, hydronium, zirconium, plutonium, harmonium, pandemonium, archegonium. Meaning: [pə'ləʊnɪəm] 
n. a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor.
n. a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor. 
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1. Only its natural decay product, polonium, is more toxic.
2. Electricity produced by radioactive isotopes, strontium 90, polonium 210, by thermoelectric energy conversion.
3. Polonium is a naturally radioactive metallic element.
4. Polonium is a highly radioactive element and a metalloid.
5. Polonium and radium were important discoveries.
6. The Curies succeeded in discovering polonium in 1898.
7. Polonium is used to set off a nuclear bomb.
8. of radium and of polonium were made by Pierre Curie in collaboration with me.
9. Madame Curie named it polonium in honour of her native country.
10. The most common production of Polonium is by synthetically making it.
11. With the exception of polonium , the elements of group VIA are typical nonmetals.sentencedict.com
12. We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.
13. Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.
14. The new ingredient in the assessment of how many deaths the Windscale cloud caused is the radioactive isotope, polonium 210.
15. The Board says that a new assessment of the polonium impact puts the risk at only one hundredth of its previous estimate.
16. First, we have no precise figures for how much polonium escaped or of where it actually reached.
17. Urquhart has extrapolated from this the likely radioactive release of polonium.
18. Curies research into the properties of two different uranium ores, pitchblende and chalcolite. led to the discovery of radium and polonium, other radioactive elements.
19. My Marie Curie (1867-1934) French nationality Polish scientists to study the phenomenon of radioactive found radium and polonium two radioelement, twice the life of Nobel Prize.
20. A fierce critic of Vladimir Putin , Mr. Litvinenko died of exposure to radio active polonium.
21. They discovered two kinds of radioactive matter - --- polonium and radium.
More similar words: ammonium, meconium, hydronium, zirconium, plutonium, harmonium, pandemonium, archegonium, zirconium oxide, polo neck, colonic, polonaise, colonize, colonial, colonist, colonise, colonized, colonizer, colonialist, colonialism, colonisation, colonization, neocolonialism, decolonization, omnium, minium, rhenium, uranium, cranium, hafnium.