Zipper Is Onomatopoeia

The bulk of a zipper consists of two strips of fabric tape, each affixed to one of the two pieces to be joined, carrying from tens to hundreds of specially shaped metal or plastic teeth. These teeth can be either individual or shaped from a continuous coil, and are also referred to as elements.[1] The slider, operated by hand, moves along the rows of teeth. Inside the slider is a Y-shaped channel that meshes together or separates the opposing rows of teeth, depending on the direction of the slider's movement. "Zipper" is onomatopoeia, because it was named for the sound it makes when you use it, a high-pitched "zip!"
In many jackets and similar garments, the opening is closed entirely when the slider is at one of the ends of the tape. The mechanism