phototimer
noun
1A photoelectric timer for regulating exposure time in radiography.
2A timer for races incorporating a camera which photographs the finish.
Origin
1940s; earliest use found in American Journal of Roentgenology.
- light railway
- light reaction
- light rum
- lights
- lightsaber
- lightsabre
- light scoop
- light-sensitive
- lightship
- light show
- light-skinned
- lightsome
- lightsomely
- lightsomeness
- lights out
- light speed
- light stick
- light switch
- light table
- light the fuse
- light the (or a) fuse
- light-toned
- light tower
- light trap
- light up