The meaning of the Acronym HC is...

HC is

• Heating and Cooling

More Meanings For HC:

• Header file
• Home Computer
• High Compression
• Handler Compiler
• Help Contents
• Help Chat
• Holy Crap!
• Honoris Causa
• Hot and Cold
• Historical Colors
• High Carbon
• High Current
• Headphone Coupling
• Hermitian Conjugate
• High Complexity

HC is also in:

• Academic Degrees
• Architecture
• Chat
• Chemistry
• Electronics
• File Extensions
• Hardware
• Mathematics
• Security
• Software