americium
1. [ noun ] (chemistry) a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
Synonyms: atomic_number_95 Am
Related terms: metallic_element
Similar spelling:   Amharic
  America
  Americanism
  American
  American_ivy
  Americana
  American_elm
  amerce
  amoristic
  amercement
  Americanize
  americanise