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:
Confidence votes 2.7K. In geometry, a trapezoid, known as a trapezium outside of North America, is characterized by a convex quadrilateral with at least a single pair of parallel sides.However, some quadrilaterals with two pairs of parallel sides are simply known as parallelograms, and not considered a trapezoid at all.onfidence votes 2.7K. In geometry, a trapezoid, known as a trapezium outside of North America, is characterized by a convex quadrilateral with at least a single pair of parallel sides.