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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - One of two or more atoms with the same atomic number but with different numbers of neutrons.

Usage examples (33)
  • This occurs in nature, although rarely; among 12,500 ordinary oxygen atoms, one oxygen isotope is found.
  • The U-235 isotope is the all-important factor making uranium an effective fuel for electric generating plants.
  • In helium that occurs naturally the heavier isotope is more frequent than the lighter one by a factor of about 10 million.
  • If the government doesn't accept the recommendation to build a new reactor, the other options to secure a long-term isotope supply will have to be revisited, the report... for more
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