tritium

Definition of tritium

trit´i`um   Pronunciation: trĭt´ĭ`ŭm
n.1.(Chem.) A radioactive isotope of hydrogen having one proton and two neutrons in the nucleus. It decays spontaneously to Helium-3 by the emission of an electron (beta ray), with a half-life of 12.3 years. Symbol 1H3. Atomic weight 3.01605 (C-12 = 12.0000). It is one of the radioisotopes commonly used to label chemical compounds for use as tracers in biochemistry and chemistry. It is also used as one of the fusionable components of a hydrogen bomb.

Related Words

atomic number 1, H, hydrogen
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Tristoma
Tristy
Trisulc
Trisulcate
Trisulphide
Trisyllabic
Trisyllable
Trite
Triternate
Tritheism
Tritheist
Tritheistic
Tritheite
Trithing
Trithionate
Trithionic
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Tritical
Triticin
Triticum
-tritium-
Triton
Tritone
Tritorium
Tritovum
Tritozooid
Tritubercular
Trituberculy
Triturable
Triturate
Trituration
Triture
Triturium
Trityl
Tritylene
Triumph
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Triumphal arch
Triumphant
Triumphantly
Triumpher
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