A component in a device, or a point in a network, that, if it were to fail would cause the entire device or network to fail; normally eliminated by adding redundancy.

The distance between a gun and a target such that it requires minimal effort in aiming it. In particular no allowance needs to be made for effects of gravity, target movement or wind in aiming the projectile.

Horizontally (as the angle at which a projectile is launched); directly or straight (at the target). / (idiomatic) Directly; bluntly; without pretense or caution.

(mathematics, catastrophe theory) The point at which a slow, reversible change becomes irreversible, often with dramatic consequences.

(pathology) A chronic intoxication produced by the absorption of lead into the body, characterized by severe colicky pains, a dark line along the gums, and local muscular paralysis.

(historical) A French infantryman during the First World War

Alternative form of floating point.

(computing) Any simple operation, such as addition, multiplication or division, performed on floating point numbers using a single operation.

(mathematics) Of a number, written in two parts as a mantissa (also called significand, the value of the significant digits) and characteristic (order of magnitude / the power of a number base) e.g. 0.314159 × 10¹.

The point in a perspective drawing at which parallel lines receding from an observer seem to converge.