optical disk

noun

Definition of optical disk

: a disk with a plastic coating on which information (such 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

Examples of optical disk in a Sentence

Recent Examples on the Web Either way, physical games for the PS5 will use 100GB optical disks, inserted into an optical drive that doubles as a 4K Bluray player. Wired, "Exclusive: A Deeper Look at the PlayStation 5," 8 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optical disk.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of optical disk

1977, in the meaning defined above

Keep scrolling for more

Learn More about optical disk

Time Traveler for optical disk

Time Traveler

The first known use of optical disk was in 1977

See more words from the same year

Statistics for optical disk

Cite this Entry

“Optical disk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optical%20disk. Accessed 3 Dec. 2020.

Keep scrolling for more

More Definitions for optical disk

optical disk

noun

English Language Learners Definition of optical disk

: a computer disk on which information is recorded in a way that can be read by a laser

More from Merriam-Webster on optical disk

Nglish: Translation of optical disk for Spanish Speakers

Comments on optical disk

What made you want to look up optical disk? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!