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

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 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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Two model examples--hexamethylbenzene, a centrosymmetric crystal with both covalent and Van der Waals bonds, and anhydrous alum, a nocentrosymmetric structure typical of ceramics and metals--are chosen as model crystals and used to explain symmetry, point groups, space groups, Bravais lattices, reciprocal lattices, and diffraction maxima.
Foundations of crystallography with computer applications by SciTech Book News
Since van der Waals bonds are weaker than covalent and hydrogen bonds, the breaking of van der Waals bonds occurs in relatively low stress field.
Effect of uniaxial drawing of soy protein isolate biopolymer film on ... by Kurose, Takashi; Urman, Kevin; Otaigbe, Joshua U.; Lochhead, Robert Y.; Thames, Shelby F. / Polymer Engineering and Science
Each seta's tip branches into even finer hairs that nestle so closely with every surface the gecko touches that intermolecular attractions called van der Waals bonds and capillary forces kick in.
Gecko-inspired adhesive is superstrong. (Caught on Tape) by McDonagh, S. / Science News
 
 
 
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