tonometer

noun

to·​nom·​e·​ter tō-ˈnä-mə-tər How to pronounce tonometer (audio)
1
: an instrument or device for determining the exact pitch or the vibration rate of tones
2
: an instrument for measuring tension or pressure and especially intraocular pressure
tonometry noun

Examples of tonometer in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While Morgan was wearing the Chibis pants, Meir used a tonometer to measure his eye pressure, with doctors on Earth watching in real time. Ashley Strickland, CNN, 23 Mar. 2020

Word History

Etymology

Greek tonos tone + English -meter

First Known Use

1725, in the meaning defined at sense 1

Time Traveler
The first known use of tonometer was in 1725

Dictionary Entries Near tonometer

Cite this Entry

“Tonometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tonometer. Accessed 21 Dec. 2024.

Medical Definition

tonometer

noun
to·​nom·​e·​ter tō-ˈnäm-ət-ər How to pronounce tonometer (audio)
: an instrument for measuring tension or pressure and especially intraocular pressure
tonometric adjective
tonometry noun
plural tonometries

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