mesoteelien
Mesoteelien is a term used in speculative materials science and science fiction to describe a hypothetical material that sits between metals and ceramics in its properties. The name combines the prefix meso- meaning middle with a nod to steel, signaling a compromise between metallic ductility and ceramic hardness. In many descriptions, mesoteelien is portrayed as a crystalline, nano-structured phase with a reinforced lattice that yields high strength and moderate density.
Reported characteristics in theoretical treatments include exceptional fracture toughness, resistance to high-temperature degradation, and an ability
Synthesis and existence are matters of debate. In serious theoretical discussions, mesoteelien is considered a far-from-realization
Applications attributed to mesoteelien in hypothetical contexts include lightweight armor, turbine components, spacecraft structures, and radiation
See also: metamaterials, ultra-high-temperature ceramics, high-entropy alloys.