isotope
noun
iso·tope
ˈī-sə-ˌtōp 
1
: any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties
2
: nuclide
Examples of isotope in a Sentence
Recent Examples on the Web
Not to mention that without prior knowledge of what a shark eats, interpreting stable isotope data can be challenging.
—
Melissa Cristina Márquez, Forbes.com, 28 Mar. 2025
The company aims to provide new isotope technologies that offer safe and effective treatments for cancer.
—Quartz Intelligence Newsroom, Quartz, 24 Mar. 2025
Depositphotos Muscle protein synthesis (MPS) directly measures muscle growth using stable isotope tracers.
—New Atlas, 8 Mar. 2025
Second, that the uranium isotope ratios are influenced by local depositional environments, meaning shark teeth from different regions may record different chemical signatures based on the conditions in which the animal was buried.
—Melissa Cristina Márquez, Forbes, 1 Mar. 2025
See All Example Sentences for isotope
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Melissa Cristina Márquez, Forbes.com, 28 Mar. 2025
The company aims to provide new isotope technologies that offer safe and effective treatments for cancer.
—Quartz Intelligence Newsroom, Quartz, 24 Mar. 2025
Depositphotos Muscle protein synthesis (MPS) directly measures muscle growth using stable isotope tracers.
—New Atlas, 8 Mar. 2025
Second, that the uranium isotope ratios are influenced by local depositional environments, meaning shark teeth from different regions may record different chemical signatures based on the conditions in which the animal was buried.
—Melissa Cristina Márquez, Forbes, 1 Mar. 2025
See All Example Sentences for isotope
Cite this Entry
“Isotope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isotope. Accessed 31 Mar. 2025.
Copy CitationKids Definition
isotope
noun
iso·tope
ˈī-sə-ˌtōp
: any of the forms of an element that differ in the number of neutrons in an atom
Medical Definition
isotope
noun
iso·tope
ˈī-sə-ˌtōp
1
: any of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties
2
: nuclide
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