# petrosectomy

> English word · Noun

## Definitions
1. The removal of air cells from a bone, typically from the temporal bone before a cochlear implant.

## Etymology
From Latin petrōsus (“stony”) + -ectomy.

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