HD

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HD may refer to:

Arts and media[edit]

Business[edit]

Science and technology[edit]

Chemistry[edit]

Computing[edit]

  • Hard disk, a computer device which stores digitally encoded data, also known as 'hard drive' or 'hard disk drive'
  • High density, in reference to a floppy disk, other magnetic media or the optical formats HD DVD and Blu-ray Disc
  • Hybrid drive, a type of notebook computer hard drive that utilizes a large buffer

Medicine[edit]

Other uses in science and technology[edit]

People[edit]

  • HDStarcraft, American electronic sports shoutcaster
  • H.D., the pen name of Hilda Doolittle (1886–1961), a 20th-century American poet and novelist

Places[edit]

Other uses[edit]

See also[edit]