Examples of radioisotope in a Sentence
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It has even been used in space in the form of radioisotope thermoelectric generators, like those that powered the Voyager probes.
—
Preeti Nair, Space.com, 7 Dec. 2025
It is powered by a radioisotope generator that produces around 100 watts of continuous energy.
—Atharva Gosavi, Interesting Engineering, 26 Nov. 2025
Voyager 1 is slowly losing power The spacecraft is powered by three radioisotope thermoelectric generators.
—George Petras, USA Today, 25 Nov. 2025
Each of the thousands of available radioisotopes has a different set of properties.
—Andrea Richard, The Conversation, 2 Oct. 2025
See All Example Sentences for radioisotope
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Preeti Nair, Space.com, 7 Dec. 2025
It is powered by a radioisotope generator that produces around 100 watts of continuous energy.
—Atharva Gosavi, Interesting Engineering, 26 Nov. 2025
Voyager 1 is slowly losing power The spacecraft is powered by three radioisotope thermoelectric generators.
—George Petras, USA Today, 25 Nov. 2025
Each of the thousands of available radioisotopes has a different set of properties.
—Andrea Richard, The Conversation, 2 Oct. 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 14 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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