Simple Definition of hard disk

from our Learner's Dictionary

hard disk

noun

plural hard disks
computers : a disk that is not flexible and that is used to store computer data
Remember to save the file to your hard disk.

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“Hard disk.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/hard%20disk. Accessed 15 Apr. 2026.

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