English dictionary
atomic number 99 meaning and definition
Definition and meaning of atomic number 99 at MeaningMonkey.org. atomic number 99 meaning and definition in the English Dictionary.ATOMIC NUMBER 99 noun
Definition of atomic number 99 (noun)
- a radioactive transuranic element produced by bombarding plutonium with neutrons
- synonyms: E, einsteinium, Es
Source: Princeton University Wordnet