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thorium

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thorium /tho·ri·um/ (thor´e-um) chemical element, at. no. 90, symbol Th.
tho·ri·um (thôr-m)
n. Symbol Th1
A radioactive metallic element that is used in magnesium alloys; its longest-lived isotope, Th 232, has a half-life of 1.41 × 1010 years. Atomic number 90.
thorium (Th)
[thôr′ē·əm]
Etymology: ONorse, Thor, god of thunder
a heavy grayish radioactive metallic element. Its atomic number is 90, and its atomic mass (weight) is 232.04. Thorium is used in nuclear medicine and in radiation therapy.
thorium [thor´e-um]
a chemical element, atomic number 90, atomic weight 232.038, symbol Th. (See Appendix 6.)
thorium
a chemical element, atomic number 90, atomic weight 232.038, symbol Th. See Table 6. Formerly used as a radiographic contrast medium.
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Professor Cywinski is a leading proponent of the development of a new, safer form of nuclear power using thorium instead of uranium.
The future's bright, the future's atomic; Nuclear the only way ... by Huddersfield Daily Examiner (Huddersfield, England)
Thorium reactors are a type of atomic reactor that can extend any perceived uranium shortage indefinately.
Thorium Reactors Are Independent of Any Perceived Uranium Shortage, ... by Duncan MacKellar / Biological sciences community
After that, we can use thorium and then tritium so we will never run out of nuclear fuel.
We will never run out of nuclear fuel; VOICE OF THE NORTH by The Journal (Newcastle, England)
 
 
 
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