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

Additional experiments using isotopic labeling and neutron scattering showed how the structure of the starting polymer influences the resulting fuel.

From Science Daily ● Sep. 21, 2026

This pattern indicates that the far side experienced more intense isotopic fractionation, causing the heavier neon isotope to become relatively more abundant.

From Science Daily ● Jul. 21, 2026

These included DNA analysis to study genetic relationships, radiocarbon dating to determine the age of the remains, and isotopic measurements to identify where the individuals likely lived before death.

From Science Daily ● Apr. 12, 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

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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