from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A weak attractive force between atoms or nonpolar molecules caused by a temporary change in dipole moment arising from a brief shift of orbital electrons to one side of one atom or molecule, creating a similar shift in adjacent atoms or molecules.
After Johannes Diderik van der Waals (1837-1923), Dutch physicist.(American Heritage® Dictionary of the English Language, Fourth Edition)
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