# sebum

> English word · Noun · IPA /ˈsibm̩/ · frequency rank #79,954

## Definitions
1. A thick oily substance, secreted by the sebaceous glands of the skin, that consists of fat, keratin and cellular debris.

## Etymology
Learned borrowing from Latin sēbum (“tallow, grease; suet”).

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