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optical disk

noun

Simple Definition of optical disk

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of optical disk

  1. :  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

1977

First Known Use of optical disk

1977

Rhymes with optical disk


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