Intaglio 601 Words You Need to Know
/in-‘tal-(ˌ)yō/ (noun)
Definition
the engraved or incised design or artistic work on hard surfaces including stone, gemstone, ceramics, glass, etc., hallowed-out design – carving of intaglios – any gemstone carved or engraved in this way
Example
An engraved gem, frequently referred to as an intaglio, is a small and usually semi-precious gemstone that has been carved, in the Western tradition normally with images or inscriptions only on one face. The engraving of gemstones was a major luxury art form in the Ancient world, and an important one in some later periods.
Source: https://en.wikipedia.org/