Tonometer

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Tonometer \To*nom"e*ter\, n. [Gr. ? a stretching, a tone +
     -meter.]
     1. (Physics.) An instrument for determining the rate of
        vibrations in tones.
        [1913 Webster]
  


     2. (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.
            [1913 Webster]

From WordNet (r) 2.0 [wn]:

  tonometer
       n : measuring instrument for measuring tension or pressure
           (especially for measuring intraocular pressure in testing
           for glaucoma)