# capnometer

> English word · Noun

## Definitions
1. A medical instrument that measures carbon dioxide levels in the exhaled air of patients on ventilators or under anesthesia

## Etymology
From capno- + -meter.

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