# rheonomy

> English word · Noun

## Definitions
1. The state of a mechanical system whose whose equations of constraints contain time as an explicit variable.

## Etymology
Attributed to Boltzmann. By surface analysis, rheo- + -nomy.

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