This document is a compilation of technical terms listed in EN 1792 and specifically related to welding and allied processes with their definitions.Terms and definitions related to welding processes are given in EN 14610.Terms and definitions related to weld imperfections are given in EN ISO 6520-1 and EN ISO 6520-2, and cutting imperfections are given in EN 12584.Terms and definitions concerning gas welding equipment are given in EN 13622.