# point

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Related to McBurney point: appendicitis, Obturator sign, Psoas sign, Rovsing sign, Murphy's sign

## point

**1.**short for vowel point

**2.**a pin, needle, or other object having such a point

**3.**

*Maths*

**a.**a geometric element having no dimensions and whose position in space is located by means of its coordinates

**b.**a location

**4.**a promontory, usually smaller than a cape

**5.**a distinctive characteristic or quality of an animal, esp one used as a standard in judging livestock

**6.**any of the extremities, such as the tail, ears, or feet, of a domestic animal

**7.**

*Ballet*the tip of the toes

**9.**

*Navigation*

**a.**one of the 32 marks on the circumference of a compass card indicating direction

**b.**the angle of 11°15ʹ between two adjacent marks

**c.**a point on the horizon indicated by such a mark

**10.**

*Cricket*

**a.**a fielding position at right angles to the batsman on the off side and relatively near the pitch

**b.**a fielder in this position

**11.**any of the numbers cast in the first throw in craps with which one neither wins nor loses by throwing them: 4, 5, 6, 8, 9, or 10

**12.**either of the two electrical contacts that make or break the current flow in the distributor of an internal-combustion engine

**13.**

*Brit*a junction of railway tracks in which a pair of rails can be moved so that a train can be directed onto either of two lines

**14.**a piece of ribbon, cord, etc., with metal tags at the end: used during the 16th and 17th centuries to fasten clothing

**15.**

*Backgammon*a place or position on the board

**17.**the position of the body of a pointer or setter when it discovers game

**18.**

*Boxing*a mark awarded for a scoring blow, knockdown, etc.

**19.**

*Ice hockey*the position just inside the opponents' blue line

## Point

## Point

a feature of an animal’s physical qualities used in evaluating an animal’s body conformation, breed traits, age, sexual development, health, productivity or performance, and breeding value. The points of an animal are considered collectively and in relation to one another. Different points are distinguished for different animal species and for the evaluation of different forms of productivity. A general evaluation is reached by adding up the points.

The principal points of a horse are shown in Figure 1.

## Point

a fundamental concept in geometry. In systematic expositions of geometry, the point is usually regarded as one of the primitive concepts. In modern mathematics the elements of various spaces are called points. In n-dimensional Euclidean space, for example, a point is an ordered set of *n* numbers. The points of different spaces may be of a very different nature.

Points having special names are encountered in many areas of mathematics. In geometry, for example, the singular points of curves may be studied. Such points include cusps, isolated points, points of inflection, natural boundary points, nodes, points of osculation, and corner points. Mathematical analysis deals with such singular points as critical points of differential equations and singularities of analytic functions. In set theory, a number of points characterizing the properties of a given set have received special names—for example, limit points, density points, and boundary points.

## point

[pȯint]## point

**1.**See

**glazier’s point**.

**2.**A mason’s tool; See

**wasting**.

**3.**See

**pointing**.

## point

There are six slightly different definitions: Truchet point, Didot point, ATA point, TeX point, Postscript point, and IN point.

In Europe, the most commonly used is Didot and in the US, the formerly standard ATA point has essentially been replaced by the PostScript point due to the demise of traditional typesetting systems and rise of desktop computer based systems running software such as QuarkXPress, Adobe InDesign and Adobe Pagemaker.

There are 20 twips in a point and 12 points in a pica (known as a "Cicero" in the Didot system).

**Different point systems**.

## point

**(1)**To move the cursor (pointer) onto a line or image on screen by rolling a mouse across the desk or by pressing the Arrow keys.

**(2)**In typography, a unit equal to 1/72nd of an inch. Points are used to measure the vertical height of a printed character. See typeface.