tritium
noun
tri·ti·um
ˈtri-tē-əm 
ˈtri-shē-
ˈtri-shē-
: a radioactive isotope of hydrogen that has one proton and two neutrons in its nucleus and that has three times the mass of ordinary hydrogen
—symbol T
Examples of tritium in a Sentence
Recent Examples on the Web
This core component contains a gas such as deuterium and tritium that is encased in chemical explosives.
—
Andrew Paul, Popular Science, 9 Jan. 2025
The United States currently uses the civilian reactors of the Tennessee Valley Authority to make tritium for hydrogen bombs.
—Thomas Bass
author, Newsweek, 19 Dec. 2024
The most reliable source of tritium is a fission reactor, which somewhat defeats the purpose of using fusion.
—Bayarbadrakh Baramsai, IEEE Spectrum, 27 Feb. 2022
And there are three slots for tritium vials to help users find the UltraFix Driver easier in the dark.
—Paul Ridden, New Atlas, 24 Dec. 2024
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Andrew Paul, Popular Science, 9 Jan. 2025
The United States currently uses the civilian reactors of the Tennessee Valley Authority to make tritium for hydrogen bombs.
—Thomas Bass
author, Newsweek, 19 Dec. 2024
The most reliable source of tritium is a fission reactor, which somewhat defeats the purpose of using fusion.
—Bayarbadrakh Baramsai, IEEE Spectrum, 27 Feb. 2022
And there are three slots for tritium vials to help users find the UltraFix Driver easier in the dark.
—Paul Ridden, New Atlas, 24 Dec. 2024
See all Example Sentences for tritium
Dictionary Entries Near tritium
Cite this Entry
“Tritium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tritium. Accessed 23 Jan. 2025.
Copy CitationKids Definition
tritium
noun
tri·ti·um
ˈtrit-ē-əm
ˈtrish-ē-
ˈtrish-ē-
: a rare radioactive form of hydrogen having atoms with three times the mass of ordinary light hydrogen atoms
Medical Definition
tritium
noun
tri·ti·um
ˈtrit-ē-əm
ˈtrish-ē-
ˈtrish-ē-
: a radioactive isotope of hydrogen that has three times the mass of ordinary hydrogen
—symbol T
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