tritium - WordReference.com Dictionary of English

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- See Also:
- - trisomy
  - trisomy-21
  - tristesse
  - trisyllable
  - tritagonist
  - tritanope
  - tritanopia
  - trite
  - tritiated
  - triticale
  - tritium
  - trito-
  - triton
  - tritone
  - triturate
  - triumph
  - triumphalism
  - triumphant
  - triumvir
  - triumvirate
  - triune
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tritium

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Concise Oxford English Dictionary © 2008 Oxford University Press:
tritium /ˈtrɪtɪəm/

▶noun Chemistry a radioactive isotope of hydrogen with a mass approximately three times that of the usual isotope. (Symbol: T)

– origin 1930s: from mod. L., from Gk tritos ‘third’.

'tritium' also found in these Oxford entries:

hydrogen bomb - protium - T - tritiated - triton

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