A small square piece of stone, wood, ivory or glass used for making a mosaic. / (planetology) complex-ridged surface feature seen on plateau highlands of Venus and perhaps on Triton

plural of tessera

(obsolete) Done in mosaic; tessellated.

(mathematics, geometry) The four-dimensional analogue of a cube; a 4D polytope bounded by eight cubes (analogously to the way a cube is bounded by six squares).

plural of tesseract

plural of tesseradecade

A group of fourteen.

Of, or pertaining to, tesserae. / isometric.

(mathematics) Describing number systems, algebras, and algorithms over labeled hierarchical subdivisions of space.

(geometry) Relating to a tesseract; relating to four-dimensional space or to a 4-polytope