Etching (noun)

1. A technique for producing designs on metal, glass, or other materials by coating them with a protective layer and then scratching off parts of the layer with a needle.
2. A print made using this technique.

Origin:

Early 17th century: from the verb etch, alteration of earlier ach, from the germanic base of ache.

Examples:

1. The etching on the vase was very detailed and delicate.
2. He was an expert in the art of etching.
3. The artist created an etching of the city skyline.
4. The etchings on the metal plate were very intricate.
5. The etching process is used to create prints from metal plates.