from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A radioactive isotope of caesium, 13755Cr, having 55 protons and 82 neutrons and which is formed mainly as a fission product by nuclear fission.


Sorry, no etymologies found.


  • There are still widespread bans or restrictions on collecting or hunting mushrooms, berries, and game in many areas where high concentrations of caesium-137 are still found.

    Chernobyl's legacy: no likely return to normality and a never-ending bill

  • Robert Peter Gale, a US medical researcher who was brought in by Soviet authorities after the Chernobyl disaster, said recent higher readings of radioactive iodine-131 and caesium-137 should be of greater concern than reports earlier this week of tiny quantities of plutonium found in soil samples.

    Japan says battle to save nuclear reactors has failed

  • Nisa has already confirmed that caesium-137 and iodine-131 have been released into the atmosphere.

    Nuclear scare grows with an orange flash and a violent blast

  • Significant levels of radioactive caesium-137, strontium-90 and plutonium isotopes still pollute the ground.

    Chernobyl 25 years on: a poisoned landscape

  • Some caesium-137 may also be in decommissioning wastes.

    Nuclear waste management

  • If nothing else, this should worry smokers: the radiation dose from radium and polonium found naturally in tobacco can be a thousand times more than that from the caesium-137 taken up by the leaves from the Chernobyl nuclear accident.

    Scientist Concerned About Cigarette Radiation | Impact Lab

  • Japan's Nuclear and Industrial Safety Agency NISA confirmed the presence of caesium-137 and iodine-131 around the No. 1 reactor, the International Atomic Energy Agency said on its website Saturday. - Top Stories

  • The fallout from the accident in the early hours of 26 April 1986 crossed over Europe, and deposited the radioactive isotope caesium-137 in mainly upland areas of Wales, Scotland and England.

    The Guardian World News

  • The highest rate reported, at 1900 on 22 March, for any Japanese prefecture was 12 kBq per sq m for the radioactive isotope of caesium, caesium-137.

    BBC News - Home

  • It said there may be a slight increase in radioactivity in the nearby environment due to re-suspension of caesium-137, "but it would be very much lower than the natural radioactivity."

    Reuters: Top News


Log in or sign up to get involved in the conversation. It's quick and easy.