tonometer
/təʊˈnɒmɪtə(r)/noun
1
- a tuning fork or other instrument for measuring the pitch of musical tones音调计（用来测量音高）。
2
- an instrument for measuring the pressure in a part of the body, such as the eyeball (to test for glaucoma) or a blood vessel压力计（用来测量身体某部分, 如眼睛、血管的压力）。
词源
early 18th cent.: from Greek tonos （see TONE） + -METER.