Pupillometer

1 definition found

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

  Pupillometer \Pu`pil*lom"e*ter\, n. [L. pupilla pupil of the eye
     + -meter.] (Physiol.)
     An instrument for measuring the size of the pupil of the
     pupil of the eye.
     [1913 Webster]