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Definitions for nystagmusnɪˈstæg məs

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Random House Webster's College Dictionary

nys•tag•musnɪˈstæg məs(n.)

  1. a persistent, rapid, involuntary side-to-side eye movement.

    Category: Physiology, Ophthalmology

Origin of nystagmus:

1815–25; < NL < Gk nystagmós nodding, der. of nystázein to nod

nys•tag′mic(adj.)

Princeton's WordNet

  1. nystagmus(noun)

    involuntary movements of the eyeballs; its presence or absence is used to diagnose a variety of neurological and visual disorders

Wiktionary

  1. nystagmus(Noun)

    rapid involuntary eye movement, usually lateral

    2. Origin: First attested in 1798. From nystagmus, from νυσταγμός, from νυστάζω.

Webster Dictionary

  1. Nystagmus(noun)

    a rapid involuntary oscillation of the eyeballs

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