mydriasis Meaning, Definition & Usage

  1. noun reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs

WordNet


My*dri"a*sis noun
Etymology
L., fr. Gr. .
Definitions
  1. (Physiol. & Med.) A long-continued or excessive dilatation of the pupil of the eye.

Webster 1913