# proteolysis

> English word · Noun · frequency rank #95,305

## Definitions
1. The hydrolysis of proteins into peptides and amino acids, especially as part of the digestion of food.

## Etymology
From proteo- + -lysis.

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