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“tritium”
1. A radioactive hydrogen isotope with an atomic mass three times that of the common protium isotope: Tritium has two neutrons as well as a proton in the nucleus which occurs in very small traces in nature; however, it can be made artificially from lithium or deuterium in nuclear reactors and it is used as the explosive in thermonuclear bombs.
2. Etymology: from Greek tritos, "third".
2. Etymology: from Greek tritos, "third".
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trito-, trit-
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