A polyhedron whose faces are regular polygons and whose angles are all congruent. The faces may all be of the same type, in which case the solid is a regular polyhedron, or may be of different types. There are only thirteen Archimedean solids. See more under polyhedron.
287?–212 b.c, Greek mathematician, physicist, and inventor: discovered the principles of specific gravity and of the lever. Contemporary Examples Beethoven took long walks, Jung said, and Archimedes, hot baths. World Science Festival: Can We Really Live to 1,000? Casey Schwartz June 4, 2011 Historical Examples Archimedes defines a straight line as the shortest distance between […]
- Archimedes principle
the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body. noun a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced […]
. noun a Russian unit of length equal to about 71 cm
work or formation. Architecture. a curved masonry construction for spanning an opening, consisting of a number of wedgelike stones, bricks, or the like, set with the narrower side toward the opening in such a way that forces on the arch are transmitted as vertical or oblique stresses on either side of the opening. an upwardly […]