English
Noun
magic number
#physics the number of neutrons or protons in nuclei which are required to fill the major quantum shells, and thus produce exceptionally stable nuclei - 2, 8, 20, 28, 50, 82 & 126

#computer a number which is manually entered in a sourcecode repeatedly, rather than defined somewhere as a named constant. Especially one which is arbitrary or lacks explanation.

zh:magic number

• 2007-01-30 18:08 - Language Lover -

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