Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun magic_number

1 sense of magic number

Sense 1
magic number -- (the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126)
       => atomic number -- (the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element)