[hip-uh s]

noun Medicine/Medical.

spasmodic contraction of the pupil of the eye.

Nearby words

  1. hippophagous,
  2. hippophagy,
  3. hippophile,
  4. hippopotamus,
  5. hippuric acid,
  6. hippy,
  7. hipshot,
  8. hipster,
  9. hipsterism,
  10. hipsters

Origin of hippus

1675–85; < New Latin < Greek híppos horse, complaint of the eye


variant of hippo- as final element of compounds: eohippus.

Origin of -hippus

< Latin < Greek -hippos

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hippus

Medicine definitions for hippus




Spasmodic, rhythmical dilation and constriction of the pupil, independent of illumination, convergence, or psychic stimuli.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.