Definition of Americium
1. Noun. A radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms.
Definition of Americium
1. [n -S]
Medical Definition of Americium
1.
Americium. A completely man-made radioactive actinide with atomic symbol am, atomic number 95, and atomic weight 243. Its valence can range from +3 to +6.
Because of its nonmagnetic ground state, it is an excellent superconductor. It is also used in bone mineral analysis and as a radiation source for radiotherapy.
Chemical name: Americium
Atomic weight: 243
(12 Dec 1998)
Lexicographical Neighbors of Americium
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