HDD

H4D2D2
/ˈeɪt͡ʃˌdiːˌdiː/

A form of hard disk drive — A hard drive or hard disk; a fixed disc drive containing rigid disks.

CommonScrabble 8
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Meanings

nounHDD (plural HDDs)

plural HDDs

  1. abbreviationinitialismcomputingInitialism of hard disk drive.
  2. abbreviationinitialismheatingInitialism of heating degree day.

Synonyms & antonyms

Also see
hard drive
Cite this entry
APA

HDD. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/HDD

MLA

“HDD.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/HDD. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “HDD,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/HDD.

Source: HDD on Wiktionary, CC BY-SA 4.0.