dictionary.pt
isotope
nounmasculinetechnicaluncommon/iˈzotopu/i·so·to·po
Definition
1A variant of a chemical element that has the same number of protons but a different number of neutrons in the nucleus.
Usage examples
“Carbon-12 and carbon-14 are isotopes of carbon.”
“Radioactive isotopes are used in nuclear medicine.”
Common combinations
radioactive isotopestable isotopecarbon isotope