# capnograph

> English word · Noun

## Definitions
1. An instrument that measures the amount of carbon dioxide in a gas (especially expired breath) and displays it continuously

## Etymology
From capno- + -graph.

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