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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

Atomic species in which the atoms all have the same atomic number and mass number;

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Usage examples (16)
  • The discovery has the potential to revolutionise pre-clinical cancer research and clinical diagnostic practice, and it makes use of compounds that have already been approved...
  • Tomography (PET), the positron annihilates with electrons of the tissue and the produced two photons, recorded in detectors, give information on the origin of the carbon-11...
  • This cycle is similar to the documented 206-year period in records of cosmogenic nuclide production carbon-14 and beryllium-10 that is thought to reflect variations in...
  • The nuclide 18F is an important source of positrons.
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