# cementum

> English word · Noun

## Definitions
1. A bony substance that covers the root of a tooth; cement.

## Etymology
Borrowed from Latin caementum. Doublet of cement.

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