| photodrome | <physics> An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction. Origin: Photo- + Gr. To run. Source: Websters Dictionary (01 Mar 1998) |
|---|