Information | |
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has URI | http://lexvo.org/id/term/pnb/%D9%BE%D8%B1%D9%88%D9%B9%DB%8C%DA%A9%D9%B9%DB%8C%D9%86%DB%8C%D9%85 |
Meaning | |
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means | (noun) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead Pa, protactinium, atomic number 91, protoactinium |
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