isotopic

• a word derived from isotope.
  isotope

  noun

  any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopes, and every element has known isotopic forms. Isotopes of a single element possess almost identical properties.

Example Sentences

See Examples For:

isotopic

That burial trapped carbon in rocks and left behind an unusual isotopic signature.

From Science Daily ● Sep. 26, 2026

They analyzed river CO2 emissions, dissolved carbon, isotopic tracers, and geochemical models to better understand how thawing permafrost affects carbon cycling.

From Science Daily ● Jun. 20, 2026

These isotopic patterns act like fingerprints, pointing to dust-driven electrochemistry as a dominant force shaping Mars today.

From Science Daily ● Apr. 5, 2026

"The isotopic signature indicates a very ancient continental, granitic source rock. This greatly reduces the universe of candidate areas," says Crósta.

From Science Daily ● Mar. 1, 2026

For this new phenomenon Soddy has suggested the word isotope for the element and isotopic for the property, and these names have come into general use.

From A Brief Account of Radio-activity by Francis Preston Venable

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