radioisotope
noun
ra·dio·iso·tope
| \ ˌrā-dē-ō-ˈī-sə-ˌtōp
\
\
Definition of radioisotope
: a radioactive isotope
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Other Words from radioisotope
radioisotopic
\ ˌrā-dē-ō-ˌī-sə-ˈtä-pik
, -ˈtō- \
adjective
, -ˈtō- \
adjective
radioisotopically
\ ˌrā-dē-ō-ˌī-sə-ˈtä-pi-k(ə-)lē
\
adverb
\
adverb
Examples of radioisotope in a Sentence
Recent Examples on the Web
Curiously, the radioisotope levels found in Naen island’s soils — located around 100 miles away — were roughly the same as those found at the Castle Bravo explosion site. — Susanne Rust, Los Angeles Times, "Radiation in parts of the Marshall Islands is far higher than Chernobyl, study says," 15 July 2019 Curiously, the radioisotope levels found in Naen island’s soils — located around 100 miles away — were roughly the same as those found at the Castle Bravo explosion site. — Susanne Rust, latimes.com, "Radioactivity in parts of the Marshall Islands is far higher than Chernobyl, study says," 15 July 2019 Plutonium-238 is a radioisotope associated with nuclear waste and not generally with fallout, said Ivana Nikolic Hughes, a co-author of the research and an associate professor of chemistry at Columbia. — Susanne Rust, Los Angeles Times, "Radiation in parts of the Marshall Islands is far higher than Chernobyl, study says," 15 July 2019 Plutonium-238 is a radioisotope associated with nuclear waste and not generally with fallout, said Ivana Nikolic Hughes, a co-author of the research and an associate professor of chemistry at Columbia. — Susanne Rust, latimes.com, "Radioactivity in parts of the Marshall Islands is far higher than Chernobyl, study says," 15 July 2019 These journeys—covering distances of up to five miles at speeds of around 20 miles per hour—will be powered by heat released by decaying plutonium-238 in a radioisotope thermoelectric generator (RTG), according to Vox’s Brian Resnick. — Meilan Solly, Smithsonian, "NASA’s Dragonfly Mission Will Fly Through the Clouds of Titan, Saturn’s Biggest Moon," 28 June 2019 And just like Curiosity, Dragonfly will be nuclear-powered, carrying a radioisotope thermoelectric generator. — Shannon Stirone, Scientific American, "New NASA Mission Will Fly Titan’s Frigid Skies to Search for Life’s Beginnings," 27 June 2019 The radioisotope is crucial for fueling long-term deep space missions, but as of 2017, a shortage was on the horizon. — David Grossman, Popular Mechanics, "Scientists Find a New Way To Create the Plutonium That Powers Deep Space Missions," 8 Jan. 2019 Additionally, the rover has eight radioisotope heater units (RHU) in its body providing about 8 watts of thermal energy. — Jay Bennett, Popular Mechanics, "NASA Optimistic That Opportunity Can Survive Martian Dust Storm," 13 June 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radioisotope.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for radioisotope
radioisotope
noun
ra·dio·iso·tope
| \ ˌrād-ē-ō-ˈī-sə-ˌtōp
\
\
Medical Definition of radioisotope
: a radioactive isotope — compare radioelement
Other Words from radioisotope
radioisotopic
\ -ˌī-sə-ˈtäp-ik, -ˈtōp-ik
\
adjective
\
adjective
radioisotopically
\ -i-k(ə-)lē
\
adverb
\
adverb