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hard disk

American  
[hahrd disk] / ˈhɑrd ˈdɪsk /

noun

Computers.
  1. a rigid circular platter coated with magnetic material, on which data and programs can be stored.


hard disk British  

noun

  1. a disk of rigid magnetizable material that is used to store data for computers: it is permanently mounted in its disk drive and usually has a storage capacity of a few gigabytes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hard disk Scientific  
/ härd /
  1. A rigid magnetic disk fixed within a disk drive and used for storing computer data. Hard disks hold more data than floppy disks, and data on a hard disk can be accessed faster than data on a floppy disk.


Etymology

Origin of hard disk

First recorded in 1980–85

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“It’s kind of like the hard disk drive story,” Fox said, explaining that EMS companies can stack different solutions and expand margins while saving end users money.

From Barron's

It makes a wide variety of motors used in everything from hard disk drives to electric vehicles and also produces machine tools, inspection devices and cooling equipment used at data centers.

From The Wall Street Journal

That requires storage space, creating demand for hard disk drives, or HDDs.

From Barron's

The company has benefited from a spike in demand for hard disk drives, or HDDs, driven by cloud computing and artificial intelligence.

From Barron's

Western Digital is one of the largest players in enterprise hard disk drives and is gaining pricing power amid this backdrop, Travis Prentice, chief investment officer of the Informed Momentum Company, recently told MarketWatch.

From MarketWatch