the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
noun, Movies. 1. sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack. noun 1. sound recorded in the form of a photographic image on cinematograph films
noun 1. the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
- Optical time domain reflectometer
hardware A device used to perform Optical Time Domain Reflectometry. (1995-02-01)
noun 1. the technique of establishing precise reference lines and planes by means of telescopic sights, especially for the purpose of aligning machinery, machine-shop work, etc.