(Bilgisayar) A triangulated irregular network (TIN) is a digital data structure used in a geographic information system (GIS) for the representation of a surface. A TIN is a vector based representation of the physical land surface or sea bottom, made up of irregularly distributed nodes and lines with three dimensional coordinates (x,y, and z) that are arranged in a network of nonoverlapping triangles
[ 'tin ] (noun.) before 12th century. From Old English tin, from Proto-Germanic *dīno, from Proto-Indo-European dei- 'to shine'; compare Sanskrit dídeti 'to shine, be bright', Ancient Greek déato 'seemed'.