复数：tonometers
1.【医】眼压计;张力计;血压计;【物】音调计;准音器;【化,物】汽压计
1.an instrument, often one fitted with a range of tuning forks, that measures the exact pitch of a sound
2.an instrument that measures pressure in a part of the body, e.g. the blood vessels, or the eyeball as a test for glaucoma
tonometers