What does .C stand for?

What does .C mean?

C	100 Miscellaneous
C	C language source code file Computing » File Extensions
C	Cable Community » Media
C	Caffeine Miscellaneous » Food
C	Calculated Academic & Science » Mathematics
C	Calibration Business » Products
C	Calicivirus Medical » Laboratory
C	Calm (no wind) Academic & Science » Meteorology
C	Calorie Miscellaneous » Unit Measures
C	Can (buoy) Academic & Science » Ocean Science
C	Cancelled Academic & Science » Universities
C	Cancer Medical » Oncology
C	Candela Miscellaneous » Unit Measures
C	Candle Governmental » NASA
C	Canine tooth Medical » Veterinary
C	Canoe Miscellaneous » Ship Types
C	Cantankerous Community » Law
C	Canterwood Community
C	Capacitance Miscellaneous » Unit Measures
C	Capacitance Governmental » NASA
C	Capacitance Academic & Science » Electronics
C	Capacitor Computing » Hardware
C	Capacitor Academic & Science » Electronics
C	Capacity Business » Products
C	Cape Academic & Science