nobelium

Noun
  1. A radioactive transuranic element synthesized by bombarding curium with carbon ions;
    7 isotopes are known (synset 114671900)
    is a type of: chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
    same as: atomic number 102, no

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