释义 |
DictionarySeequadrupoleelectric quadrupole moment
electric quadrupole moment[i¦lek·trik ′kwä·drə‚pōl ‚mō·mənt] (electricity) A quantity characterizing an electric charge distribution, obtained by integrating the product of the charge density, the second power of the distance from the origin, and a spherical harmonic Y *2 m over the charge distribution. |