noun🔗ShareA sanctuary dedicated to the Ancient Greek and Roman god Pluto, usually at a location producing poisonous emissions, believed to represent an entrance to the underworld."The ancient city's plutonium, a temple to Pluto, was said to be haunted by strange, foul odors. "mythologyreligionplacearchitecturearchaeologyChat with AIVocabulary GamePractice Reading
noun🔗ShareThe transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray radioactive actinide metal that tarnishes when exposed to air."Scientists carefully handle plutonium because it is a radioactive metal used in some nuclear reactors. "elementmaterialsubstancechemistryscienceChat with AIVocabulary GamePractice Reading