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cesium-137 |
Also found in: Medical | 0.02 sec. |
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cesium-137 [′sē·zē·əm ‚wən‚thərd·ē′sev·ən] (nuclear physics) An isotope of cesium with atomic mass number of 137; emits negative beta particles and has a half-life of 30 years; offers promise as an encapsulated radiation source for therapeutic and other purposes. Also known as radiocesium. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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