London forces

plural noun Physics, Chemistry.
  1. forces between atoms or molecules that are related to the physical rather than the chemical properties of the molecules and that are attractive when the particles are in the lowest energy state.

Origin of London forces

after Fritz Wolfgang London (1900–54), U.S. physicist born in Germany
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018