(geometry) That circle which passes through the feet of the altitudes of a given triangle.

(travel, aviation, fare construction) A place on an itinerary to which there is a higher fare than the destination or next fare break point.

(nautical, navigation) An estimated point in which the distance between two objects, of which at least one is in motion, will reach its minimum value; abbreviated CPA. The estimate is used to evaluate the risk of a collision of e.g. two ships.

A graphical technique in which a three-dimensional object is represented in two dimensions, and in which parallel lines in two of its dimensions are shown to converge towards two vanishing points

(American football) An option, for a team that has scored a touchdown, to gain two points by getting the ball into the end zone by a running or pass play, in lieu of a kicked extra point.

Alternative form of take the point

(physics, quantum mechanics) The lowest possible energy of a given quantum mechanical system.

Alternative spelling of ballpoint pen

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

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.