Fromiso-(“equal”) +-tope(“place”), because the different isotopes of an element always occupy the same place in theperiodic table. The term wascoined by Scottish doctorMargaret Todd in 1909 and first used publicly on February 27, 1913 by English chemistFrederick Soddy.
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isotope (pluralisotopes)
Technically, isotopes arenuclides having the same atomic number but different mass number. In practice, the termisotope is often used instead ofnuclide.
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Possible back-formation fromisotopy.
isotope (third-person singular simple presentisotopes,present participleisotoping,simple past and past participleisotoped)
isotope (pluralisotopes)
isotope
isotope
