Protactinium - definition, pronunciation, transcription

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Amer.  |ˌprəʊtækˈtɪnɪəm|  American pronunciation of the word protactinium
Brit.  |ˌprəʊtækˈtɪnɪəm|  British pronunciation of the word protactinium

noun

- a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead (syn: pa)
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