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
By studying carbon isotopes in both the older and younger layers of microbes, the geologists also noted a shift toward iron-dependent microorganisms in the oceans, per Scientific American.
—
Margherita Bassi, Smithsonian Magazine, 25 Oct. 2024
At the Facility for Rare Isotope Beams, scientists produce new isotopes by accelerating stable isotopes to about half the speed of light and smashing them at a target.
—Artemis Spyrou, Discover Magazine, 9 Oct. 2024
Testing components include using isotope ratio mass spectometry on samples from farms, gins, yarn spinners and manufacturing mills.
—Jennifer Bringle, Sourcing Journal, 11 Sep. 2024
This was a true game changer: No other isotope has a nuclear transition in the energy range of conventional lasers, which can deliver the energy to trigger the transition reliably and precisely.
—Quanta Magazine, 4 Sep. 2024
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Margherita Bassi, Smithsonian Magazine, 25 Oct. 2024
At the Facility for Rare Isotope Beams, scientists produce new isotopes by accelerating stable isotopes to about half the speed of light and smashing them at a target.
—Artemis Spyrou, Discover Magazine, 9 Oct. 2024
Testing components include using isotope ratio mass spectometry on samples from farms, gins, yarn spinners and manufacturing mills.
—Jennifer Bringle, Sourcing Journal, 11 Sep. 2024
This was a true game changer: No other isotope has a nuclear transition in the energy range of conventional lasers, which can deliver the energy to trigger the transition reliably and precisely.
—Quanta Magazine, 4 Sep. 2024
See all Example Sentences for isotope
Dictionary Entries Near isotope
Cite this Entry
“Isotope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isotope. Accessed 1 Dec. 2024.
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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