Well since I don't see these I'll throw them in:
CAD: Computer Aided Design
CAM: Computer Aided Manufacturing:
CNC: Computerized Numerical Control
DNC: Direct Numerical Control
WiFi: euh, guess everyone knows this one
LAN: Local Area Network
WAN: Wide Area Network
SFM: Surface Feet per Minute
RPM: Revolutions per Minute
FPM: Feed per Minute
IPR: Inch per Revolution
IPT: Inch per tooth
CSS: Constant Surface Speed
TPI: Threads per Inch
FPT: Feed per Tooth
Now, if I start doing all the gear acronym's it might get long, Circular Pitch, Pitch Diameter etc ...