# retropulsion

> English word · Noun

## Definitions
1. A tendency to step or walk backwards involuntarily, especially as a symptom of parkinsonism.
2. The pushing or forcing of something to move backwards or inwards.
3. Transfer of a disease from an external source to an internal organ.

## Etymology
From retro- + pulsion.

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