ara: بروتكتينيوم

Information
has URI	http://lexvo.org/id/term/ara/%D8%A8%D8%B1%D9%88%D8%AA%D9%83%D8%AA%D9%8A%D9%86%D9%8A%D9%88%D9%85

Meaning
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