van der Waals force

(redirected from van der Waal's forces)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

van der Waals force

(văn′ dər wôlz′, wälz′)
n.
A weak attractive force between atoms or nonpolar molecules caused by an instantaneous dipole moment of one atom or molecule that induces a similar temporary dipole moment in adjacent atoms or molecules.