From Fresh Dictionary
English
Etymology
from Erwin Madelung, German physicist
Noun
Madelung constant
- ((physics{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) a numerical constant used in determining the electrostatic energy of each ion in a crystal