plutonium

hypernyms

chemical element

element

hyponyms

plutonium 239

same-contexts

aluminium

antimatter

atomic

beryllium

botulism

cobalt

contaminant

deuterium

fertilizer

fission

fluorine

gaseous

helium

hydrogen

isotope

neptunium

olivium

potassium

radioactive

radium

tetryl

thorium

tritium

tungsten

uranium

rhymes

ammonium

harmonium

pandemonium

polonium

zirconium