- Restorationism (Wikipedia)
Restorationism, also known as Restitutionism or Christian primitivism, is a religious perspective according to which the early beliefs and practices of the followers of Jesus were either lost or adulterated after his death and required a “restoration”. It is a view that often “seeks to correct faults or deficiencies (in other branches of Christianity) by appealing to the primitive church as normative model”.
- Rhombicuboctahedron (Wikipedia)
In geometry, rhombicuboctahedron is an Archimedean solid with 26 faces, consisting of 8 equilateral triangles and 18 squares. It is named by Johannes Kepler in his 1618 Harmonices Mundi, being short for truncated cuboctahedral rhombus, with cuboctahedral rhombus being his name for a rhombic dodecahedron.