English
respirometer
From respire + -o- + -meter.
Today it means
noun A device used to measure the rate of respiration of living organisms, such as plants or fish.
Sources
Sources: Wiktionary, “respirometer”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / respirometer