tonometer

[ toh-nom-i-ter ]

noun
  1. an instrument for measuring the frequencies of tones, as a tuning fork or a graduated set of tuning forks.

  2. any of various physiological instruments for measuring intraocular pressure or blood pressure.

  1. Physical Chemistry. an instrument for measuring vapor pressure.

Origin of tonometer

1
First recorded in 1715–25; tono- + -meter

Other words from tonometer

  • ton·o·met·ric [ton-uh-me-trik, toh-nuh-], /ˌtɒn əˈmɛ trɪk, ˌtoʊ nə-/, adjective
  • to·nom·e·try, noun

Words Nearby tonometer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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

tonometer

/ (təʊˈnɒmɪtə) /


noun
  1. an instrument for measuring the pitch of a sound, esp one consisting of a set of tuning forks

  2. any of various types of instrument for measuring pressure or tension, such as the blood pressure, vapour pressure, etc

Origin of tonometer

1
C18: from Greek tonos tone + -meter

Derived forms of tonometer

  • 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