verb: (metallurgy) To plastically deform metal (or other material) at temperatures above the recrystallization temperature but below the melting point of the material.
noun: (metallurgy) Any of several plastic deformations of metal (or other material) at relatively high temperatures.
noun: Any type of work, such as welding, soldering, or glassblowing, that causes of a potential fire hazard because it causes sparks or flames.
