hard disk

noun

: a rigid metal disk coated with a magnetic material on which data for a computer can be stored
also : hard drive

Examples of hard disk in a Sentence

Remember to save the file to your hard disk.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Over time, the hard disk starts filling up with everything, including PDFs, video files, random screenshots, and duplicate photos transferred from an SD card or your phone. Kurt Knutsson, FOXNews.com, 16 May 2025 During the 2025 Nvidia GTC Seagate was showing NVMe prototype hard disk drives in conjunction with Nvidia. Thomas Coughlin, Forbes.com, 6 May 2025 However, there's an alternative for your secondary-storage needs: the long-familiar hard disk drive (HDD). PC Magazine, 31 Mar. 2025 This process emits a microwave field, which can be tuned to the resonant frequency of the magnetic material coating the hard disk—about 15 to 20 gigahertz. IEEE Spectrum, 5 Jan. 2019 See All Example Sentences for hard disk

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of hard disk was in 1973

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Cite this Entry

“Hard disk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hard%20disk. Accessed 21 May. 2025.

Kids Definition

hard disk

noun
1
: a small hard metal disk with a magnetic coating on which computer data can be stored
2

More from Merriam-Webster on hard disk

Last Updated: - Updated example sentences
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