What is a single slender rod or filament of drawn metal called?

The term describing a single slender rod or filament of drawn metal is commonly known as wire. In metallurgy and electrical applications, wire is specifically designed to conduct electricity and can be made of various metals, including copper, aluminum, or steel. The process of drawing metal into thin fibers or filaments is essential for creating wire, as it allows for the necessary dimensions and properties required for effective conductivity, strength, and flexibility.

Wire is widely used in numerous applications, including electrical wiring, telecommunications, and even structural elements. The ability to manipulate the diameter of wire through the drawing process makes it an essential component in both everyday and specialized uses.

In contrast to other choices, a bar typically refers to a thicker piece of metal that is not necessarily drawn into a slender form, while a strand usually suggests a grouping of fibers or wires rather than a single filament. A pipe, on the other hand, has a hollow cylindrical form and is not classified as a slender rod or filament. Thus, wire is the most accurate term for a single slender rod or filament of drawn metal.