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Meaning of PROTACTINIUM
Pronunciation:
`prowtak'tineeum
WordNet Dictionary
Definition:
[n] a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
PROTACTINIUM is a 12 letter word that starts with P.
Synonyms:
atomic number 91
,
Pa
,
protoactinium
See Also:
metal
,
metallic element
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