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BD, Bd or bd may refer to:

In arts and entertainment[edit]

In business[edit]

Business / Technology[edit]

  • Big data, a marketing term for technology of large data sets
  • Business day, a day of the week on which business is conducted
  • Business development, techniques aimed at attracting customers and penetrating markets
  • Business directory, a website or printed listing of information which lists all businesses within some category



  • BD postcode area, UK, for Bradford, West Yorkshire, and the surrounding area
  • Bangladesh, where "BD" is the ISO 3166-1 2-letter country code
    • .bd, the country top-level domain for Bangladesh
  • Bermuda, where "BD" is the FIPS PUB 10-4 territory code and obsolete NATO country code
  • Brunei Darussalam, where "BD" is the World Meteorological Organization country code

In science and technology[edit]

In computing[edit]

  • Baud (Bd), an information unit
  • %BD, the Url Encoded version of the one half (½) symbol
  • Big data, data sets that are so large or complex that traditional data processing applications are inadequate
  • Blu-ray Disc, a high density blue laser optical disc format, or the successor of DVD
    • BD+, a component of the Blu-ray Disc Digital Rights Management system

In biology and medicine[edit]

Other uses in science and technology[edit]

Other uses[edit]