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

That includes tiny high-capacity storage drives which use a new type of magnetic module, and hard disk drives that use 'P-wave magnetism,' an entirely new form of the force in a synthesized crystalline material. —New Atlas, 21 Feb. 2026

The five-star analyst also sees the possibility of hard disk drives (HDDs) gaining market share and accounting for more than 80% of storage in the cloud. —Tipranks, CNBC, 8 Feb. 2026

Using a solid-state drive over a hard disk drive can drastically increase the speed of your laptop, so choose accordingly. —Bestreviews, Chicago Tribune, 15 Jan. 2026

The unidentified home invaders stole his phone; computers; a hard disk holding his past movies; awards, including his Golden Leopard, and shooting equipment, which was being rented, as well as personal papers and bank cards. —Melanie Goodfellow, Deadline, 16 Sep. 2025

Word History

First Known Use

1973, in the meaning defined above

Rhymes for hard disk

• basilisk
• bisque
• brisk
• disc
• fisc
• fisk
• frisk
• risk
• whisk
• videodisc

Kids Definition

hard disk

noun

1

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

2

: hard drive