From Greek thessers and thessares, four, on the four sides that have the quadrangular pieces of mosaics made by the Romans and Byzantine Greeks from marble plates or other minerals. The tiles that handled the tesselriums and classic musivarios were no more than a square centimeter which required a lot of patience and dedication.
It is the name of a small piece of stone, terracotta or colored glass that is used to make a mosaic. Piece or part of a puzzle. Constitutive part or element of a tile . In Astrophysics it is the name of the ancient regions, plates or "patches", which have formed on the surface of Venus, due to tectonic deformations (the term may be valid for similar cases of other planets).
