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hard drive JUST WRITTEN FOR YOU

/hɑrd draɪv/ · hard drive
noun
  1. A device used for storing large amounts of data for a computer that persist while the computer is turned off. The laptop's hard drive was full, so she had to delete some files to free up space.
noun
  1. A type of non-volatile storage device that uses magnetic disks to store data. The hard drive in her old computer was slow, so she upgraded to a solid-state drive.
noun
  1. A component of a computer system that stores data, programs, and operating systems. The hard drive in the server was failing, so they had to replace it quickly.
Did you know? The first hard drive, the IBM 350, was released in 1956 and had a storage capacity of 5 megabytes.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 23, 2026