hahnium

[ hah-nee-uhm ]

nounChemistry, Physics.
  1. a proposed but never officially adopted name for element 105, which was instead named dubnium. Symbol: Ha

Origin of hahnium

1
First recorded in 1965–70; named after German chemist Otto Hahn; see -ium

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British Dictionary definitions for hahnium

hahnium

/ (ˈhɑːnɪəm) /


noun
  1. a name once advanced by the American Chemical Society for a transuranic element, artificially produced from californium, atomic no: 105; half-life of most stable isotope, 262 Ha: 40 seconds: Now called dubnium

Origin of hahnium

1
C20: named after Otto Hahn

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