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Definition of Protoactinium
1. Noun. A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
Definition of Protoactinium
1. Noun. (alternative form of protactinium) (qualifier dated) ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Protoactinium
Literary usage of Protoactinium
Below you will find example usage of this term as found in modern and/or classical literature:
1. Evaluation of Speciation Technology: Workshop Proceedings, Tokai-Mura by OECD Nuclear Energy Agency (2001)
"protoactinium is another element of concern in the thorium-" U fuel cycle.
Although heavy element production is a minor activity compared to nuclear fuel ..."
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