RAM disk

/ræm dɪsk/
IPA guide

Definitions of RAM disk
  1. noun
    (computer science) a virtual drive that is created by setting aside part of the random-access memory to use as if it were a group of sectors
    “access to a RAM disk is very fast but the data it contains is lost when the system is turned off”
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    type of:
    drive
    (computer science) a device that writes data onto or reads data from a storage medium
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