DH

DH, Dh or dh may refer to:

Places

• DH postcode area, in the United Kingdom
• Diamond Head, Hawaii

Organisations

• Davis + Henderson (D+H), a Canadian financial services firm
• Department of Health (United Kingdom), a branch of government
• DH Press, the Dark Horse Comics imprint that publishes novels

Science and technology

• Denavit–Hartenberg parameters, a type of robotics convention
• Dermatitis herpetiformis, a skin disease
• DH register, the high byte of a DX register in x86-compatible microprocessors
• Diffie-Hellman key exchange (D-H), a specific method of securely exchanging cryptographic keys over a public channel
• Doubled haploidy, a genetic status
• Deuterium:protium (D:H), a ratio in deuterium-depleted water

Sports

• Designated hitter, a baseball rule
• Downhill, a skiing discipline
• Downhill mountain biking, a bicycling discipline

Transportation

• de Havilland, a former UK aircraft manufacturer
• Decision height, in aviation
• Delaware and Hudson Railway (reporting mark)
• Independence Air (IATA code)

Other uses

• Dh (digraph), in linguistics
• Dear husband, a shorthand phrase common in online fora
• Digital humanities, a community of practice combining technology with humanistic inquiry
• District heating, a method of heating multiple buildings from a central location
• Documentary hypothesis

See also

• dgh, degrees of general hardness
• Dh (digraph), in linguistic
• Dirham, a unit of currency in several Arab states
  • United Arab Emirates dirham