Pinchbeck /(?)/

Pinch·beck

Pinchbeck

n.
  1. An alloy of copper and zinc, resembling gold; a yellow metal, composed of about three ounces of zinc to a pound of copper. It is much used as an imitation of gold in the manufacture of cheap jewelry.

Pinchbeck

a.
  1. Made of pinchbeck; sham; cheap; spurious; unreal.