Tritium

/ˈtrɪdiəm/

IPA guide

Definitions of tritium

noun
a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms

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type of:
H, atomic number 1, hydrogen
a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

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