tonometer
/toʊˈnɑmɪtər/
noun
- An instrument used to measure pressure, especially the pressure inside the eye (intraocular pressure).
- Modern tonometers are digital and very accurate.
- The optometrist used a tonometer to check for glaucoma.
- She felt a quick puff of air as the tonometer measured her eye pressure.
- Any device that measures tension or pressure, such as in fluids or gases.
- They used a tonometer to monitor the pressure in the pipeline.
- The lab technician calibrated the tonometer before testing the gas sample.
- A tonometer can measure the vapor pressure of a liquid.