cesium 137


  • WordNet 3.6
    • n cesium 137 a radioactive isotope of cesium used in radiation therapy
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In news:

The package she found contained a small amount of explosives and something else: Cesium-137, a radioactive isotope.
Bulgarian authorities confirmed today that mushrooms tainted with radioactive cesium-137 had been discovered in the south of the country, following a similar scare in neighboring Romania.
Police took custody of two tubes of cesium-137 after stopping a vehicle near the town of Espiye.
That suggests that contamination has settled over the seabed, where it will persist for decades -- cesium-137 takes 30 years to lose half its radioactivity , while cesium-134 has a radioactive half-life of only two years.