tritium

/trit-ee-uhm, trish-, trish-uhm/US // ˈtrɪt i əm, ˈtrɪʃ-, ˈtrɪʃ əm //UK // (ˈtrɪtɪəm) //

氚,氚气,镭射,铀

Definitions

n.名词 noun

1
Chemistry.
- : an isotope of hydrogen having an atomic weight of three. Symbols:3H, T

That fuel is a mixture of deuterium and tritium, varieties of hydrogen that respectively contain one or two neutrons in their atomic nuclei.
That tritium could have been trapped within the materials that make up the detector, and may have slowly leaked out.
Wanted to trade all the tritium we'd need to blow up a planet just for trees; because they worshipped trees!
Another kind, which can be made in a nuclear reactor, is called tritium.