optical disk

noun

Definition of optical disk

  1. :  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

First Known Use of optical disk

1977


OPTICAL DISK Defined for English Language Learners

optical disk

noun

Definition of optical disk for English Language Learners

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



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