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.

A pus-filled swelling on the surface on the skin caused by an eruptive disease. / Any pit, especially one formed as a scar

To scar or mark with pits

A mark or scar in the skin caused by a pock. / A crater in the seafloor caused by erupting gas or liquid.

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

(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.