nystagmus

nys·tag·mus

N n

Definitions of nystagmus word

noun nystagmus a congenital or acquired persistent, rapid, involuntary, and oscillatory movement of the eyeball, usually from side to side. 1
noun nystagmus Rapid involuntary movements of the eyes. 1
noun nystagmus 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 0
noun nystagmus an involuntary, rapid movement of the eyeball, usually from side to side 0

before 1815

One of the 39% newest English words

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

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 75% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

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