Definition of Einsteinium
1. Noun. A radioactive transuranic element produced by bombarding plutonium with neutrons.
Definition of Einsteinium
1. [n -S]
Medical Definition of Einsteinium
1.
Einsteinium. A man-made radioactive actinide with atomic symbol es, atomic number 99, and atomic weight 252. Its known isotopes range in mass number from 243-246. Its valence can be +2 or +3. Einsteinium was originally discovered in the debris from a thermonuclear explosion in 1952.
Chemical name: Einsteinium
(12 Dec 1998)
Lexicographical Neighbors of Einsteinium
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