# van der Waals equation

> English word · Proper noun

## Definitions
1. A gas law which generalizes the ideal gas law to non-ideal gases, taking into account intermolecular forces and the size of molecules.

## Etymology
Named after Dutch physicist Johannes Diderik van der Waals.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/van-der-waals-equation