Examples of radioisotope in a Sentence
Recent Examples on the Web
Cesium-137, or Cs-137, is a manmade radioisotope of cesium.
—
Sara Tenenbaum, CBS News, 22 Dec. 2025
The primary life-limiting factor for the rover is its radioisotope thermoelectric generator, which generates electricity from the heat released by the radioactive decay of plutonium-238 and gradually produces less power over time.
—Sharmila Kuthunur, Space.com, 19 Dec. 2025
If approved, the new fuel design would allow FRM II to continue supporting research in fields ranging from nuclear fusion to the production of medical radioisotopes, this time with a fuel solution aligned with modern safety and non-proliferation goals.
—Neetika Walter, Interesting Engineering, 18 Dec. 2025
Voyager 1 is slowly losing power The spacecraft is powered by three radioisotope thermoelectric generators.
—George Petras, USA Today, 25 Nov. 2025
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Sara Tenenbaum, CBS News, 22 Dec. 2025
The primary life-limiting factor for the rover is its radioisotope thermoelectric generator, which generates electricity from the heat released by the radioactive decay of plutonium-238 and gradually produces less power over time.
—Sharmila Kuthunur, Space.com, 19 Dec. 2025
If approved, the new fuel design would allow FRM II to continue supporting research in fields ranging from nuclear fusion to the production of medical radioisotopes, this time with a fuel solution aligned with modern safety and non-proliferation goals.
—Neetika Walter, Interesting Engineering, 18 Dec. 2025
Voyager 1 is slowly losing power The spacecraft is powered by three radioisotope thermoelectric generators.
—George Petras, USA Today, 25 Nov. 2025
See All Example Sentences for radioisotope
Cite this Entry
“Radioisotope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radioisotope. Accessed 26 Dec. 2025.
Copy CitationKids Definition
radioisotope
noun
ra·dio·iso·tope
ˌrād-ē-ō-ˈī-sə-ˌtōp 
: a radioactive isotope
Medical Definition
radioisotope
noun
ra·dio·iso·tope
ˌrād-ē-ō-ˈī-sə-ˌtōp
: a radioactive isotope compare radioelement
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