HHD


AcronymDefinition
HHDHeavy Heavy Duty
HHDHealth and Human Development (Education Development Center, Inc.)
HHDHerbert Hoover Dike (Florida)
HHDHusker Harvest Days (trade show; Nebraska)
HHDHogshead
HHDHeadquarters Detachment
HHDHybrid Hard Drive (Samsung/Microsoft)
HHDHailey-Hailey Disease
HHDHand Held Device
HHDHypertensive Heart Disease (cardiovascular disorder)
HHDHeadquarters & Headquarters Detachment
HHDHip Hop Discussion (forum)
HHDHappy Hump Day
HHDHartford Health Department
HHDHylian Help Desk (website)