tonometer Meaning, Definition & Usage
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noun measuring instrument for measuring tension or pressure (especially for measuring intraocular pressure in testing for glaucoma)
WordNet
To*nom"e*ter noun
Etymology
Gr. a stretching, a tone +Definitions
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(Physics.) An instrument for determining the rate of vibrations in tones. -
(Physiol.) (a) An apparatus for studying and registering the action of various fluids and drugs on the excised heart of lower animals. (b) An instrument for measuring tension, esp. that of the eyeball.