1. instruments that measure the rate of respiration or oxygen consumption in living organisms
Usage: scientific; plural form

Examples

• The biology students used respirometers to measure cellular respiration in germinating seeds.
• Researchers calibrated the respirometers before beginning the metabolism study.
• The laboratory was equipped with digital respirometers for precise measurements.
• Scientists compared oxygen consumption rates using multiple respirometers.
• The respirometers showed increased metabolic activity at higher temperatures.
• Marine biologists used underwater respirometers to study fish metabolism.