CMM	Coordinate measuring machine
CO2	Carbon dioxide
CS	Cutting speed
CW	Continuous wave
DOC	Depth of cut
EDM	Electric discharge machining
HAZ	Heat-affected zone
HDPE	High-density polyethylene
Hz	Hertz
KW	Kerf width
LDPE	Low-density polyethylene
MRR	Material removal rate
PA6	Polyamide 6
PC	Polycarbonate
PE	Polyethylene
PET	Polyethylene terephthalate
Pg	Assist gas pressure
PL	Laser power
PMMA	Polymethyl methacrylate
POM	Polyoxymethylene
PP	Polypropylene
PS	Polystyrene
Q	Specific energy of a material
Rb	Laser beam radius
SOD	Stand-off distance
SR	Surface roughness
Tg	Glass transition temperature
TGA	Thermoplastic elastomers
ti	Interaction time
W	Watt
α	Energy absorptivity