nystagmus

[ ni-stag-muh s ]
/ nɪˈstæg məs /

noun

a congenital or acquired persistent, rapid, involuntary, and oscillatory movement of the eyeball, usually from side to side.

Origin of nystagmus

1815–25; < New Latin < Greek nystagmós nodding, derivative of nystázein to nod

OTHER WORDS FROM nystagmus

nys·tag·mic, adjective
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British Dictionary definitions for nystagmus

nystagmus
/ (nɪˈstæɡməs) /

noun

involuntary movement of the eye comprising a smooth drift followed by a flick back, occurring in several situations, for example after the body has been rotated or in disorders of the cerebellum

Word Origin for nystagmus

C19: New Latin, from Greek nustagmos
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

Medicine definitions for nystagmus

nystagmus
[ nĭ-stăgməs ]

n.

A rapid, involuntary oscillatory motion of the eyeball.

Other words from nystagmus

nys•tagmic (-mĭk) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.