AHD

AHD or Ahd may refer to:

• Althochdeutsch (Ahd.), the German name for Old High German
• The American Heritage Dictionary of the English Language

• Alveolar hydatid disease, a parasitic disease
• Arteriosclerotic heart disease, a buildup of plaque in arteries leading to the heart

• Acoustic Hailing Device, a high-powered loudspeaker for communicating at long distances
• Ahd Party, a Jordanian political party
• Analog High Definition, a standard for transmitting high-definition analog video

• Ardmore Downtown Executive Airport, Oklahoma, US, IATA code AHD
• Ashtead railway station, Surrey, England, station code
• Audio High Density, a digital disc format
• Australian Height Datum, a standard for measuring heights relative to landforms, tides, etc.

This disambiguation page lists articles associated with the title AHD.
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