tri·​ti·​at·​ed ˈtri-tē-ˌā-təd How to pronounce tritiated (audio)
: containing and especially labeled with tritium

Example Sentences

Recent Examples on the Web The plan involved diluting tritiated water with seawater before releasing it at the legal discharge concentration of 0.06MBq/L and monitoring to ensure that normal background tritium levels of 10Bq/L aren’t exceeded. William Steel, Ars Technica, 11 May 2018 So for now, the tritiated water is pumped into a steadily growing collection of tanks. Vince Beiser, WIRED, 27 Apr. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tritiated.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of tritiated was in 1953

Dictionary Entries Near tritiated

Cite this Entry

“Tritiated.” Dictionary, Merriam-Webster, Accessed 30 May. 2023.

Medical Definition


tri·​ti·​at·​ed ˈtrit-ē-ˌāt-əd How to pronounce tritiated (audio) ˈtrish-ē- How to pronounce tritiated (audio)
: containing and especially labeled with tritium
tritiated water
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