van der Waals' equation: Meaning and Definition of
van' der Waals'" equa'tion
Pronunciation: (van' dur wälz", wôlz" Du. vän" dur väls'), [key]
— Thermodynamics. Thermodynamics.
an equation of state relating the pressure, volume, and absolute temperature of a gas, taking into account the finite size of the molecules and the attractive force between them.