What does HC stand for?

What does HC mean?

HC	Heating and Cooling Community » Housing
HC	Highly Commended Business » Positions
HC	Happy Couple Community
HC	Hot and Cold Academic & Science » Architecture
HC	Henry Clay Community » Famous
HC	Home Club Miscellaneous » Toastmasters
HC	Head Circumference Medical » Physiology
HC	Health Costs Business » General
HC	Human Communication classes Academic & Science » Universities
HC	Hill Country Community
HC	Hermitian Conjugate Academic & Science » Mathematics
HC	Horse Crazy Miscellaneous » Funnies
HC	Hayden Christensen, actor Community » Famous
HC	House Church Community » Religion
HC	Help Contents Computing » Software
HC	Highlight Color Miscellaneous » Colors
HC	Headache Cure Medical » Physiology
HC	High Council Miscellaneous » Science Fiction
HC	High Complexity Academic & Science » Mathematics
HC	High Cut Business » Products
HC	Harish Chandra, mathematician Community » Famous
HC	High Color Business » Products
HC	Hurt Comfort Medical » Physiology
HC	Hazardous Cargo Governmental » Transportation
HC	Holding Cell Governmental » Police