HyperDic: atomic_number_99

English > 1 sense of the expression atomic number 99:
NOUNsubstanceatomic number 99, einsteinium, Es, Ea radioactive transuranic element produced by bombarding plutonium with neutrons
English > atomic number 99: 1 sense > noun 1, substance
MeaningA radioactive transuranic element produced by bombarding plutonium with neutrons.
Synonymseinsteinium, Es, E
Broadermetallic element, metalAny of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Spanisheinsteinio, einstenio, número atómico 99
Catalaneinsteini, einstenio, Es

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