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
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optical disk
noun
From the M-W Editors
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
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: a computer disk on which information is recorded in a way that can be read by a laser
Learn More about optical disk
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See words that rhyme with optical disk Spanish Central: Translation of optical disk Nglish: Translation of optical disk for Spanish speakers
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