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van der Waals force
(redirected from Van der Waals interactions)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.03 sec.
van der Waals force (vn dr 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.


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Van der Waals forces Since van der Waals interactions are non-bonded, in comparison with covalent bonds between atoms, van der Waals interactions are very weak.
The intermolecular interaction energy is considered as the sum of two contributions (46): one is due to the electromagnetic effects of electron clouds and leads to van der Waals interactions, the other is due to the surface charge effects and leads to electrostatic interactions.
Weak forces called van der Waals interactions hold the threads together end-to-end.
 
 
 
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