Isotopic may refer to:
* In the physical sciences, to do with chemical
isotope
Isotopes are two or more types of atoms that have the same atomic number (number of protons in their nuclei) and position in the periodic table (and hence belong to the same chemical element), and that differ in nucleon numbers (mass numbers) ...
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* In mathematics, to do with a relation called isotopy; see
Isotopy (disambiguation)
* In geometry,
isotopic refers to facet-transitivity
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