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:
A trapezoid is a special quadrilateral (have four sides) having one pair of parallel sides and other pair is non-parallel sides. In American English it is used as trapezoid and in the British English it is used as trapezium.bases are called parallel sides of trapezoid and non parallel sides are called leg..