In English, many things are named after a particular country – but have you ever wondered what those things are called in those countries?
- These five remarkable solids - tetrahedron, cube, octahedron, dodecahedron, icosahedron - have faces that are congruent equilateral polygons.
- A dodecahedron modified by the octahedron and cube from Nordmark, Sweden, is figured in Goldschmidt.
- There is the octahedron, with 8 faces, 12 edges and 6 vertices.
- Plato believed that atoms have the shapes of regular polyhedra: cubes, tetrahedrons, octahedrons, and so on.
- Peterson and Jordan go on to investigate interesting links between integer octahedra and integer antiprisms.
- It was a set of platonic bodies: there was an octahedron and a double tetrahedron.
- Theaetetus was the first to study the octahedron and the icosahedron and it is believed that Book XIII of Euclid's Elements is based on his work.
- These are often known as the Platonic solids: the tetrahedron, cube, octahedron, dodecahedron and icosahedron.
- Finally, the octahedron inscribed in the Venus-orbit sphere has itself an inscribed sphere, on which the orbit of Mercury lies.
- The cube, consisting of six square faces, is a common form either alone or in combination with other forms, especially the octahedron.
- I'd like to mention in passing that the octahedron, the dual of the cube, also contains 26: 8 faces, 12 edges, 6 vertices.
- This six-point perspective, with the six vertices of an octahedron serving as the vanishing points, becomes the basis of his spherical paintings.
English has borrowed many of the following foreign expressions of parting, so you’ve probably encountered some of these ways to say goodbye in other languages.
Many words formed by the addition of the suffix –ster are now obsolete - which ones are due a resurgence?
As their breed names often attest, dogs are a truly international bunch. Let’s take a look at 12 different dog breed names and their backstories.