optical disk

optical disk
   A direct access storage device that is written and read by laser light. Optical disks are generally slower than magnetic disks, but their storage capacities are greater per square inch.

IT glossary of terms, acronyms and abbreviations. . 2015.

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  • optical disk — noun count COMPUTING a thin flat round piece of plastic that stores information such as music or written words that can be read using a LASER (=powerful narrow light). Optical disks include CD ROMS and LASERDISKS …   Usage of the words and phrases in modern English

  • optical disk — UK / US noun [countable] Word forms optical disk : singular optical disk plural optical disks computing a thin flat round piece of plastic that stores information such as music or written words that can be read using a laser (= powerful narrow… …   English dictionary

  • optical disk — laser disk laser disk n. A digital data storage medium consisting of a thin disk onto which the data is impressed by a laser, in the form of a linear sequence of dots; same as {optical disk}. The data is subsequently read back by the use of a… …   The Collaborative International Dictionary of English

  • optical disk — Computers, Television. 1. Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface. 2.… …   Universalium

  • optical disk — noun a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface • Syn: ↑optical disc • Hypernyms: ↑memory device, ↑storage device • Hyponyms: ↑compact disk, ↑ …   Useful english dictionary

  • optical disk — compact disk, disk containing music or data which is written and read by lasers …   English contemporary dictionary

  • optical disk — noun Date: 1977 a disk with a plastic coating on which information (as music, visual images, or computer data) is recorded digitally (as in the form of tiny pits) and which is read by using a laser …   New Collegiate Dictionary

  • Optical disk — Оптический диск …   Краткий толковый словарь по полиграфии

  • Optical Disk System —   A computer storage system which uses laser light to record data on a storage media. See also Magnetic Bubble Memory System and Optical Media …   International financial encyclopaedia

  • optical disk storage and retrieval —    The combination of an optical drive or jukebox and software to manage the search and retrieval …   IT glossary of terms, acronyms and abbreviations

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