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HD may refer to:

Arts and media

Business

Science and technology

Chemistry

Computing

  • 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

Other uses in science and technology

People

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

Places

Other uses

See also