nys·tag·mus 
(nĭ-stăgməs)
(nĭ-stăgməs)n.
A rapid, involuntary, oscillatory motion of the eyeball.
[New Latin, from Greek nustagmos, drowsiness.]
nys·tagmic (-mĭk) adj.
- meteorologically
- meteorologist
- meteorology
- meteorous
- meteor shower
- -meter
- meter
- meter
- meter
- meter-kilogram-second
- meter-kilogram-second-ampere
- meter maid
- metestrous
- metestrus
- metformin
- meth
- meth-
- methacrylate
- methacrylic acid
- methadone
- methamphetamine
- methane
- methane hydrate
- methane series
- methanesulfonate