Look up: polonium

1. Polonium
   A radioactive element that occurs in pitchblende and other uranium-containing ores.
   Found on http://www.epa.gov/OCEPAterms/
   
   
2. polonium
   [n] - a radioactive metallic element that is similar to tellurium and bismuth
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. Polonium
   Polonium is a radioactive element. Symbol Po
   Found on http://www.diracdelta.co.uk/science/sour
   
   
4. polonium
   chemical element:atomic number 84 Category: Chemistry
   Found on http://www.mijnwoordenboek.nl/definition
   
   
5. Polonium
   Po·lo'ni·um noun [ New Latin So named after Poland, in Latin form Polonia , one of the discoverers being a Pole.] (Chemistry) A supposed new element, a radioactive substance discovered by M. and MMe. Curie in pitchblende. It is closely rela...
   Found on http://www.encyclo.co.uk/webster/P/119
   
   
6. polonium
   <chemical> Polonium. A radioactive element that is a member of the chalcogen family. It has the atomic symbol po, atomic number 84, and the atomic weight of the isotope with the longest half-life (209po) is 208.98. It decays by alpha-emission. ... Chemical name: Polonium ... (12 Dec 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
7. polonium
   Po noun 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
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
8. polonium
   (Po) (pә-lo´ne-әm) a chemical element, atomic number 84, atomic weight 210.
   Found on http://www.encyclo.co.uk/local/21001
   
   
9. Polonium
   • (n.) A supposed new element, a radioactive substance discovered by M. and MMe. Curie in pitchblende. It is closely related chemically to bismuth. It emits only alpha rays and is perhaps identical with radium F.
   Found on http://thinkexist.com/dictionary/meaning
   
   
10. polonium
    a radioactive, silvery-gray or black metallic element of the oxygen family (Group VIa in the periodic table). The first element to be discovered by ... [6 related articles]
    Found on http://www.britannica.com/eb/a-z/p/89
    
    
11. Polonium
    Polonium (m {respell|po|LOH|nee-əm}) is a chemical element with the symbol Po and atomic number 84, discovered in 1898 by Marie Skłodowska-Curie and Pierre Curie. A rare and highly radioactive element with no stable isotopes, polonium is chemically similar to bismuth and tellurium, and it occurs ...
    Found on http://en.wikipedia.org/wiki/Polonium
    
    
12. polonium
    (Po) A soft, gray, radioactive, metallic element of group VIA of the periodic table, discovered in 1898 by Marie Curie. It is found in trace amounts in uranium ores and may also be synthesized by neutron bombardment of bismuth. The commonest isotope, ²¹⁰Po...
    Found on http://www.daviddarling.info/encyclopedi
    
    
13. polonium
    polonium (pulō'nēum) , radioactive chemical element; symbol Po; at. no. 84; mass no. of most stable isotope 209; m.p. 254°C; b.p. 962°C; sp. gr. about 9.4; valence +2 or +4. Polonium is an extremely rare element found in uranium ores (about 0.1 gram per ton). A product of rad...
    Found on http://www.infoplease.com/ce6/sci/A08395
    
    
14. Polonium
    Polonium is a metal radioactive element with the symbol Po.
    Found on http://www.probertencyclopaedia.com/brow
    
    
15. polonium
    (Po) Type: Term Pronunciation: pō-lō′nē-ŭm Definitions: 1. A radioactive element, atomic no. 84, isolated from pitchblende; the longest-lived isotope is 209Po (half-life 102 years); 210Po is radium F (half-life 138.38 days), the only readily accessible isotope.
    Found on http://www.medilexicon.com/medicaldictio
    
    
16. polonium
    Radioactive, metallic element, atomic number 84, relative atomic mass 210. Polonium occurs in nature in small amounts and was isolated from pitchblende. It is the element having the largest number of isotopes (27) and is 5,000 times as radioactive as radium, liberating considerable amounts of heat. ...
    Found on http://www.talktalk.co.uk/reference/ency