tonometer

noun

to·​nom·​e·​ter tō-ˈnä-mə-tər 

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

tō-ˈnä-mə-trē 

noun

Example Sentences

Recent Examples on the Web

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

Medical Definition

tonometer

noun

to·​nom·​e·​ter tō-ˈnäm-ət-ər 

: an instrument for measuring tension or pressure and especially intraocular pressure

tonometric

ˈtō-nə-ˈme-trik  ˌtän-ə- 

adjective

tonometry

tō-ˈnäm-ə-trē 

noun

plural tonometries