1. (ophthalmotonometer) an instrument for measuring pressure inside the eye. Goldman applanation t. a tonometer that measures the force required to flatten an area of cornea 3 mm2. A greater force is required when the pressure inside the eye is increased.
2. an instrument for measuring pressure in any other part of the body.
"tonometer." A Dictionary of Nursing. . Encyclopedia.com. (November 19, 2018). https://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/tonometer
"tonometer." A Dictionary of Nursing. . Retrieved November 19, 2018 from Encyclopedia.com: https://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/tonometer