van der Waals forces /van də ˌwɑːls ˈfɔːsɪz 
, van də ˌvɑːls ˈfɔːsɪz / ▸ plural noun Chemistry weak, short-range electrostatic attractive forces between uncharged molecules, arising from the interaction of permanent or transient electric dipole moments. – ORIGIN late 19th century: named after Johannes van der Waals (1837–1923), Dutch physicist.
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