optical disk

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Shopping	The largest selection of OPTICAL DISK products: USA, UK, Canada, Deutschland, France.
TV Shop	As seen on TV: Owl Optical Wallet Light, beauty, diets, exercise, household, kitchen, personal, vitamins, and other popular TV-products.

optical disk > noun, artifact
Meaning	A disk coated with plastic that can store digital data as tiny pits etched in the surface. Is read with a laser that scans the surface.
Synonyms	optical disc
Broader	memory device, storage device
Narrower	compact disk, compact disc, CD; videodisk, videodisc, DVD