Main Entry:

stro·bo·scope

Pronunciation:

\ˈstrō-bə-ˌskōp\

Function:

noun

Etymology:

Greek strobos whirling + International Scientific Vocabulary -scope

Date:

1896

: an instrument for determining the speed of cyclic motion (as rotation or vibration) that causes the motion to appear slowed or stopped: as a: a revolving disk with holes around the edge through which an object is viewed b: a device that uses a flashtube to intermittently illuminate a moving object c: a cardboard disk with marks to be viewed under intermittent light