HHD

See also: hhd.

English

Noun

HHD (countable and uncountable, plural HHDs)

  1. (computing) Initialism of hybrid hard drive.
  2. (medicine) Initialism of home hemodialysis.
  3. (medicine) Initialism of hiatus hernia diafragmatica.
  4. (military) Initialism of headquarters and headquarters company.

Proper noun

HHD

  1. Initialism of Helena Historic District.
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