mydriasis

[mi-drahy-uh-sis, mahy-]
Compare miosis.

Origin of mydriasis

1650–60; < Latin mydriāsis < Greek mydríāsis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mydriasis

Historical Examples of mydriasis


British Dictionary definitions for mydriasis

mydriasis

noun
  1. abnormal dilation of the pupil of the eye, produced by drugs, coma, etc

Word Origin for mydriasis

C17: via Late Latin from Greek; origin obscure
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

mydriasis in Medicine

mydriasis

[mĭ-drīə-sĭs]
n.
  1. Prolonged abnormal dilation of the pupil of the eye induced by a drug or caused by disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.