# mucin

> English word · Noun · IPA /ˈmjuːsɪn/ · frequency rank #91,828

## Definitions
1. Any of several glycoproteins found in mucus

## Etymology
From muc- + -in.

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