Examples of radioisotope in a Sentence
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So far, radioisotope power systems (RPSs) in space have utilized plutonium-238 (Pu-238) as a fuel source.
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Prabhat Ranjan Mishra, Interesting Engineering, 26 Sep. 2025
Many long-term spacecraft, such as the Mars rovers Curiosity and Perseverance, use radioisotope thermoelectric generators (RTGs) to provide power.
—Keith Cooper, Space.com, 24 Sep. 2025
If the diagnostic scan confirms a match, the same targeting molecule is paired with a therapeutic radioisotope and given to the patient.
—Rowan Briggs, Mercury News, 27 Aug. 2025
The decay energy is a measure of the kinetic energy of emitted particles as the radioisotope decays.
—IEEE Spectrum, 25 Aug. 2025
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Prabhat Ranjan Mishra, Interesting Engineering, 26 Sep. 2025
Many long-term spacecraft, such as the Mars rovers Curiosity and Perseverance, use radioisotope thermoelectric generators (RTGs) to provide power.
—Keith Cooper, Space.com, 24 Sep. 2025
If the diagnostic scan confirms a match, the same targeting molecule is paired with a therapeutic radioisotope and given to the patient.
—Rowan Briggs, Mercury News, 27 Aug. 2025
The decay energy is a measure of the kinetic energy of emitted particles as the radioisotope decays.
—IEEE Spectrum, 25 Aug. 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 6 Oct. 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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