van der Waals radius
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English[edit]
Etymology[edit]
Named after Johannes Diderik van der Waals, the first to recognise that atoms were not simply points and to demonstrate the physical consequences of their size.
Noun[edit]
van der Waals radius (plural van der Waals radii)
- (physics) The radius of an imaginary hard sphere representing the distance of closest approach from one atom to another.