Definition of 'fail-safe'. Word Frequency. fail-safe also failsafe. adjective. Something that is fail-safe is designed or made in such a way that nothing dangerous can happen if a part of it goes wrong. The camera has a built-in failsafe device which prevents it from working if the right signals aren't received.
A cuboid is a 3D shape. Cuboids have six faces, which form a convex polyhedron. Simply speaking, cuboids are made from 6 rectangles, which are placed at right angles. A cuboid that uses all square faces is a cube; if the faces are rectangles, other than squares, it looks like a shoe box. Properties of a Cuboid are:
The cuboid is similar to a cube, but is made of rectangles rather than squares. It is also known as a right cuboid, rectangular box, rectangular hexahedron, right rectangular prism, or rectangular parallelepiped. (Sometimes the word 'cuboid' has a more general meaning.) There are 6 cuboid faces. Opposite sides are identical rectangles. A lot of food packages are cuboids.