The meaning of the Acronym HAD is...

HAD is

• Haloacid Dehalogenase

More Meanings For HAD:

• Hole Accumulated Diode
• Haloacid Dehalogenase
• Hole Accumulated Diode
• Hear All Dragons
• Hearing Aid Dealer
• Hospital Anxiety and Depression [scale]
• Heat Actuated Device
• Human Aspects Development
• Human Athletic Dance
• Halmstad, Sweden

HAD is also in:

• Airport Codes
• Chemistry
• Educational
• Electronics
• FDA
• Firms
• Hardware
• NASA
• Science Fiction
• Sports