What does HVD stand for?

Hadden Boat Company, Georgetown, ME - Manufacturer code for watercraft hull identification number (USCG)

Half-Value Depth (IAA)

Heaters, Vents, and Drains - System - Nuclear energy (NRCH)

Height-Velocity Diagram

Helmet Visor Display (ACAE)

Hendrik Verwoerd Dam - South Africa - Seismograph station code, US Geological Survey (SEIS)

High-Value Detainee - Military

High Velocity Detonation (SAUS)

High-Velocity Detonation

High-Viscosity Dispenser - Packaging

High Voltage Differential (SAUS)

High Voltage Discharge (SAUS)

Holographic Versatile Disc

Holographic Versatile Disk - Optical disk technology (XSAL)

Hydroviscous Drive (DNAB)

Hypertensive Vascular Disease - Medicine