plutonium
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/pluːˈtoʊniəm/
English
Definitions
noun
- A 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.
noun
- The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray radioactive actinide metal that tarnishes when exposed to air.
Related words
Synonyms
puatomic number 94uraniumstationagreement238actinidetransuranicplutonium dioxidetransuranium elementplatinumprotactiniumcuriumeka-protactiniumthoriumuranide