What does HAC stand for?

What does HAC mean?

HAC	House Appropriations Committee Governmental » Military
HAC	Hughes Aircraft Company Business » Firms
HAC	Hughes Aircraft Company Governmental » Military
HAC	Hughes Aircraft Company Governmental » Transportation
HAC	Hierarchical Access Control Computing » Security
HAC	Hachijo Jima, Japan Regional » Airport Codes
HAC	Heard All Continents Academic & Science » Amateur Radio
HAC	Habbo Advice Centre Community » Conferences
HAC	Hackers Always Conqueror Miscellaneous » Funnies
HAC	Holiday.Archiv.Com Internet
HAC	Hear All Continents Miscellaneous » Unclassified
HAC	Horler And Company Business » Firms
HAC	Heure Avancée du Centre Regional » Time Zones
HAC	Huachuca Astronomy Club Academic & Science » Astronomy
HAC	High Accuracy Clock Governmental » NASA
HAC	Heading Alignment Cone Governmental » NASA
HAC	Home Access Center Computing » Hardware
HAC	Health Administration Center Governmental » FDA
HAC	Hazardous Area Classification Academic & Science » Electronics
HAC	Helicopter Aircraft Commander Governmental » Military
HAC	Horizons AlphaPro Seasonal Rotation Exchange Traded Fund Business » Toronto Stock Exchange
HAc	acetic acid Academic & Science » Chemistry
HAC	Health Advisory Committee Governmental » FDA
HAC	Hepatic Arterial Chemotherapy Medical » Oncology
HAC	HydroxyApatite Cement Medical » Hospitals