释义 |
magic numbers [`maj·ik `nǝm·bǝrz] NUCLEAR PHYSICS The integers 8, 20, 28, 50, 82, 126; nuclei in which the number of protons, neutrons, or both is magic have a stability and binding energy which is greater than average, and have other special properties. PHYSICAL CHEMISTRY Numbers of atoms or molecules for which certain atom or molecular clusters have an unusually high abundance. |