nystagmus
nys·tag·mus
noun \nis-ˈtag-məs\Definition of NYSTAGMUS
: a rapid involuntary oscillation of the eyeballs
— nys·tag·mic \-mik\ adjective
Origin of NYSTAGMUS
New Latin, from Greek nystagmos drowsiness, from nystazein to doze; probably akin to Lithuanian snusti to doze
First Known Use: 1867
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