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The tabulated atomic masses of elements are averages accounting for multiple isotopes with different masses.
  an atom differing from another atom of the same element in the number of neutrons it has in its nucleus
 Mark word for later review on this computer
isotope isotopes
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  • The tabulated atomic masses of elements are averages accounting for multiple isotopes with different masses.
  • We have radioactive isotope scanners, olfactory filters designed by the American DEA to detect the faintest chemical signatures of combustibles and toxins.
    Dan Brown  --  Angels & Demons
  • He infused the radioactive tagging substance, a magnesium isotope, into the monkey and calibrated the scanner.
    Michael Crichton  --  The Andromeda Strain
  • That gold is a hot isotope of gold.
    Pat Frank  --  Alas, Babylon

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  • Plutonium-238 is an incredibly unstable isotope.
    Andy Weir  --  The Martian
  • What’s an isotope?
    Neal Stephenson  --  Snow Crash
  • This projection is based on controlled transmutation—any isotope into any other and postulating power for any reaction not exo-energetic.
    Robert A. Heinlein  --  The Moon is a Harsh Mistress
  • A new technique, developed by the Titan Corporation, uses conventional electricity and an electronic accelerator instead of radioactive isotopes.
    Eric Schlosser  --  Fast Food Nation
  • The most common isotope of uranium is bombarded with neutrons to produce plutonium that fissions, if we can generate a verb from the energy of splitting atoms.
    Don DeLillo  --  Underworld
  • You could carry an assault gun with two thousand meters precision range and isotope charges that will blow up a hill, but you still would not have eyes in the back of your head like a janus bird, nor be able to see in the dark like the Thetis pygmies.
    Robert A. Heinlein  --  Tunnel In the Sky

  • Show more again
  • On the other wall were stenciled doors, like offices: PARK WARDEN … GUEST SERVICES … GENERAL MANAGER…… Halfway down the corridor they came to a glass partition marked with another sign: [picture] Underneath were more signs: CAUTION Teratogenic Substances Pregnant Women Avoid Exposure To This Area DANGER Radioactive Isotopes In Use Carcinogenic Potential Tim grew more excited all the time.
    Michael Crichton  --  Jurassic Park
  • This isotope has the mass number two three eight.
    Don DeLillo  --  Underworld
  • Radiothermal isotopes.
    Neal Stephenson  --  Snow Crash
  • "If you ever find yourself in the presence of a destructive force powerful enough to decapsulate those isotopes," Ng says, "radiation sickness will be the least of your worries."
    Neal Stephenson  --  Snow Crash
  • contained nuclear power source-almost certainly radiothermal isotopes like the ones that power the Rat Thing.
    Neal Stephenson  --  Snow Crash
  • In Reality, people work with dangerous substances all the time-radioactive isotopes and toxic chemicals.
    Neal Stephenson  --  Snow Crash
  • Supposedly they have really nasty isotopes inside," Hiro says behind her.
    Neal Stephenson  --  Snow Crash
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Associated words [difficulty]:   isotope [7] , ion [4] , polymer [6] , atomic number [8] , cation [8] , free radical [9]
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Most commonly used in these subjects:   Science, Medicine, Engineering, Nature & Ecology
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