## BALL

### BALL

The open source project**BALL**consists of the versatile C++ class framework BALL, a library of algorithms and data structures targeting molecular modelling and computational structural bioinformatics, a Python interface to this library and the open source graphical interface to BALL, the molecular viewer

**BALLView**.

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### Ball

In mathematics, a**ball**is the space inside a sphere. It may be a

**closed ball**or an

**open ball**.

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### B.A.L.L.

**B.A.L.L.**were an American alternative rock band from New York City, formed in 1987. The band was formed by Don Fleming, Kramer, David Licht and Jay Spiegel. The band disintegrated in 1990, its member pursuing separate projects.

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### ball

#### Noun

- A solid or hollow sphere.
- An object, generally spherical, used for playing games.
- A quantity of string, thread, etc., wound into a spherical shape.
*ball**of wool*

- Any simple game involving a ball.
*The children were playing***ball**on the beach.- The children were playing ball in the garden.

- A pitch that falls outside of the strike zone.
- An opportunity to launch the pinball into play.
*If you get to a million points, you get another***ball**.

- A solid, spherical nonexplosive missile for a cannon, etc.
- A jacketed non-expanding bullet, typically of military origin.
- The set of points in a metric space lying within a given distance (the radius) of a given point; specifically, the homologue of the disk in a Euclidean space of any number of dimensions.
- The set of points in a topological space lying within some open set containing a given point; the analogue of the disk in a Euclidean space.
- A testicle.
- A single delivery by the bowler, six of which make up an over.
- A pass; a kick of the football towards a teammate.
- The front of the bottom of the foot, just behind the toes.
- A formal dance.
- A roundish protuberant portion of some part of the body.
*the***ball**of the thumb; the**ball**of the foot

- A leather-covered cushion, fastened to a handle called a ballstock; formerly used by printers for inking the form, then superseded by the roller.
- A large pill, a form in which medicine was given to horses; a bolus.
- The globe; the earthly sphere.

#### Noun (etymology 2)

#### Verb

- To form or wind into a ball.
*to***ball**cotton

- To heat in a furnace and form into balls for rolling.
- To have sexual intercourse with.
- To gather balls which cling to the feet, as of damp snow or clay; to gather into balls.
*The horse***balls**; the snow**balls**.

- To be hip or cool.

#### Interjection

**ball**

- An appeal by the crowd for holding the ball against a tackled player. This is heard almost any time an opposition player is tackled, without regard to whether the rules about "prior opportunity" to dispose of the ball are fulfilled.
- 2007:
*A good tackle (and some bad ones) will bring a cry of "Ball!" from the crowd – a plea for a holding the ball free kick.*— AFL Sydney Swans Rules Zone 1

- 2007:

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