Welding is a process used to join two or more materials together. It is commonly used in the construction of buildings, bridges, and other structures. The term WELDS is used to describe the various processes used to join materials together. These processes include JOINS (5 letters), which is the process of connecting two pieces of material together; MERGES (6 letters), which is the process of combining two or more materials into one; FUSES (5 letters), which is the process of melting two or more materials together; UNITIZES (8 letters), which is the process of joining two or more components into a single unit; and SOLDERS (7 letters), which is the process of melting a metal alloy to join two or more materials together.