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tritium

[ trit-ee-uhm, trish-, trish-uhm ]

noun

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


tritium

/ ˈٰɪɪə /

noun

  1. a radioactive isotope of hydrogen, occurring in trace amounts in natural hydrogen and produced in a nuclear reactor. Tritiated compounds are used as tracers. Symbol: T or ³H; half-life: 12.5 years
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

tritium

/ ٰĭŧ-ə,ٰĭŧ-ə /

  1. A radioactive isotope of hydrogen whose nucleus has one proton and two neutrons with atomic mass of about 3 and a half life of 12.5 years. Tritium is rare in nature but can be made artificially in nuclear reactions. It is used in thermonuclear weapons and luminescent paints, and sometimes as a tracer.
  2. See more at hydrogen
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yvlog History and Origins

Origin of tritium1

1930–35; < New Latin < Greek ٰí ( os ) third ( tri- tri- + -tos adj. suffix) + New Latin -ium -ium
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yvlog History and Origins

Origin of tritium1

C20: New Latin, from Greek tritos third
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Example Sentences

Examples have not been reviewed.

These coolants are essential in fusion reactors to extract heat and breed tritium, but their corrosive nature threatens the integrity of the structural materials used.

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The proposed approach would still use deuterium and tritium, which are generally accepted as the most promising pair of fuels for fusion energy production.

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Researchers, working on nuclear fusion, are fusing tritium and deuterium together to maximize the amount of energy created in one small area.

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Records show that from the 1940s through the 1960s, it was not uncommon for local hospitals, labs and other industrial operations to dispose barrels of tritium, carbon-14 and other similar waste at sea.

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The NRC says tritium spills happen from time to time but typically don’t affect public health or safety.

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