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radioactive metal |
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radioactive metal [¦rād·ē·ō′ak·tiv ′med·əl]
(nuclear physics) A luminous metallic element, such as actinium, radium, or uranium, that spontaneously and continuously emits radiation capable in some degree of penetrating matter impervious to ordinary light. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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