What is "isotope effect"

n. (context chemistry physics English) The effect that differing masses of different isotopes of the same element have on the physical and chemical properties of that element

Isotope effect can refer to:

• Kinetic isotope effect, effect of isotopic substitution on chemical reaction rates
• Magnetic isotope effect
• Superconductive transition temperature varying by isotope atomic weight; See BCS theory#Successes of the BCS theory
• Isotopic shift, effect of isotopic substitution on spectroscopy