A river, a distributary of the Rhine in Western Europe that runs through the Netherlands.

plural of van der Waal

A surname from Dutch. Alternative form of Vanderwaals

plural of van der Waals force

(chemistry, often in the plural) The relatively weak attraction between neutral atoms and molecules arising from polarization induced in each particle by the presence of other particles.

(thermodynamics) a gas that follows the van der Waals equation, (P+a/(v²))(v-b)=RT

(chemistry) The strain resulting from van der Waals repulsion when two substituents in a molecule approach each other with a distance less than the sum of their van der Waals radii.

A municipality of Gelderland, Netherlands.