Read Edit View history 鏷 pú protactinium Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 镤/ 鏷 pú protactinium The chemical element with symbol Pa and atomic number 91; a dense, silvery-gray radioactive metal Edit Delete 镤/ 鏷 pú unrefined metal (archaic) unrefined copper or iron Edit Delete References Add reference No references for this word.
镤/ 鏷 pú protactinium The chemical element with symbol Pa and atomic number 91; a dense, silvery-gray radioactive metal Edit Delete