laser disk

laser disk
laser disk laser disk n. A digital data storage medium consisting of a thin disk onto which the data is impressed by a laser, in the form of a linear sequence of dots; same as {optical disk}. The data is subsequently read back by the use of a laser beam. See also {compact disk}.

Note: The original disk may be created by use of a laser, but copies of the original disk may be created by a replicating process which does not itself require a laser. [PJC]


The Collaborative International Dictionary of English. 2000.

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  • laser disk — noun (C) a computer disk that can be read by laser light …   Longman dictionary of contemporary English

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