optical disk

A form of optical disc — A modern data storage medium consisting of a flat disc read mechanically by illumination with laser light, including the Laserdisc, compact disc, DVD, and Blu-ray.

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Meanings

nounoptical disk (plural optical disks)

plural optical disks

  1. alternativeAlternative spelling of optical disc.

Synonyms & antonyms

nouna 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

Similar
optical disc
Broader
memory devicestorage device
Also see
optical disc

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

optical disk. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/optical%20disk

MLA

“optical disk.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/optical%20disk. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “optical disk,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/optical%20disk.

Source: optical disk on Wiktionary, CC BY-SA 4.0.