van der Waals force

(redirected from Van der waals interaction)
Also found in: Dictionary, Encyclopedia.

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.
References in periodicals archive ?
Flexural deflection as a measure of van der Waals interaction forces in the CNT array.
In the calculation, the Hamaker constant for the particle-wall van der Waals interactions was chosen as 0.
Obviously, van der Waals interaction between the molecules was also included.
Because of their chemical makeup, both substances should have had similar degrees of van der Waals interactions with the geckos' setae, and therefore the animals should have clung similarly to both surfaces, Izadi says.
Ionic liquids are salts with melting points below 100 degrees Celsius, and represent a new class of non-molecular liquid materials with unique property profiles due to a complex interplay of Coulombic, hydrogen bonding, and van der Waals interactions.