an instrument for measuring the frequencies of tones, as a tuning fork or a graduated set of tuning forks.
any of various physiological instruments for measuring intraocular pressure or blood pressure.
Physical Chemistry. an instrument for measuring vapor pressure.
- ton·o·met·ric [ton-uh-me-trik, toh-nuh-], /ˌtɒn əˈmɛ trɪk, ˌtoʊ nə-/, adjective
- to·nom·e·try, noun
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How to use tonometer in a sentence
The (Schiotz) tonometer was used daily for 70 consecutive days and never registered more than 12-14 mm.Glaucoma | Various
British Dictionary definitions for tonometer
an instrument for measuring the pitch of a sound, esp one consisting of a set of tuning forks
any of various types of instrument for measuring pressure or tension, such as the blood pressure, vapour pressure, etc
- tonometric (ˌtɒnəˈmɛtrɪk, ˌtəʊ-), adjective
- tonometry, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012