SINCE 1828
optical disk
nounDefinition 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
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
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).
Test Your Vocabulary
Homophone Quiz
-
- In order to judge how people felt, the senator's office hired a firm to take a
______.
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Homophone Quiz
More/moor than/then two/too/to.
Take the quiz -
Liar, Liar Quiz
Test your knowledge of words for lies, liars, and those being lied to. In other words, everyone.
Take the quiz -
Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz -
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share optical disk
Resources for optical disk