The crossword solutions for the term 'Word with 'DETECTOR' or 'PICTURE'' are MOTION. MOTION is a scientific term used to describe the movement of an object or body in a particular direction. It is also used to describe the change in position of an object over time. MOTION can be described in terms of speed, velocity, acceleration, and force. MOTION can also refer to the physical process of moving from one place to another. MOTION detectors are devices that detect MOTION and trigger an alarm or other response when MOTION is detected. MOTION pictures are films or videos that capture a sequence of events.