| 释义 |
to·nom·e·ter
\tōˈnäməd.ə(r)\ noun
Etymology: tono- + -meter
1. : an instrument or device for determining the exact pitch or the vibration rate of tones
2. : an instrument for measuring tension (as of the eyeball) or pressure (as of blood or a gas)
3. : a device for measuring vapor pressure |