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Definition of Es
1. Noun. A radioactive transuranic element produced by bombarding plutonium with neutrons. 
Definition of Es
1. ess [n ESES] - See also: ess
Medical Definition of Es
1. Symbol for einsteinium. (05 Mar 2000)
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1. Noun. A radioactive transuranic element produced by bombarding plutonium with neutrons. 
1. ess [n ESES] - See also: ess
1. Symbol for einsteinium. (05 Mar 2000)