Definify.com
Webster 1913 Edition
Stroboscope
Strob′o-scope
,Noun.
[Gr. [GREEK] a whirling +
-scope
.] 1.
An instrument for studying or observing the successive phases of a periodic or varying motion by means of light which is periodically interrupted.
2.
An optical toy similar to the phenakistoscope. See
Phenakistoscope
.