# retroperistalsis

> English word · Noun

## Definitions
1. The reverse of the involuntary smooth muscle contractions of peristalsis, usually as a precursor to vomiting.

## Etymology
From retro- + peristalsis.

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