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protactinium
/,proʊtæk'tɪniəm/
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protactinium
noun
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
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Similar:
atomic number 91
pa
protoactinium
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type of:
metal
metallic element
Synonyms & Similar Words
metal
pa
atomic number 91
protoactinium
metallic element
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