Ball

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ball

1. a round or roundish body, either solid or hollow, of a size and composition suitable for any of various games, such as football, golf, billiards, etc
2. Cricket a single delivery of the ball by the bowler to the batsman
3. Baseball a single delivery of the ball by a pitcher outside certain limits and not swung at by the batter
4. Vet science another word for bolus
5. Horticulture the hard mass of roots and earth removed with the rest of the plant during transplanting

Ball

John. died 1381, English priest: executed as one of the leaders of the Peasants' Revolt (1381)

Ball

 

(from French baile). (1) Conventional unit (in English, number) for measuring stages or intensity of certain phenomena (for example, in meteorology for measuring wind and cloud velocities; in seismology, the force of the vacillating crust of the earth).

(2) A numerical notation (in English, mark or grade) of evaluation of the academic progress and behavior of students. In the general-education schools of prerevolutionary Russia, both five-ball and 12-ball systems were used. In the USSR, a five-ball system was introduced into the primary, eight-year, secondary, and specialized secondary schools in 1944 and remains in effect to the present day. According to this system, 5 means excellent, 4 is good, 3 is satisfactory, 2 is poor, and 1 is very poor. In the schools of certain other countries, the highest ball may be 1 (for example, in the German Democratic Republic, which uses a five-ball system), or a different number of balls, may be used (for example, a 10 is used in the Netherlands and an 11 in Italy).

(3) Numerical measurement (in English, point) of the results of a contest in some types of sport (such as gymnastics, swimming, and figure skating).

(4) Evaluation of the quality of agricultural livestock in exhibitions.

(5) As used in balloting [to refer to the small object dropped into the box or urn in some forms of secret voting].


Ball

 

an item of sports equipment, usually spherical, having the property of elastic deformation. It is used primarily in team sports.

Most balls, for example, those used in soccer, volleyball, basketball, and rugby, are hollow (with a casing and a rubber bladder).

Table 1
Sport1Circumference at diameter cross section (mm)Weight (g)
1 Children’s balls for these sports are lighter in weight and smaller in circumference.
2 Handballs for women are lighter in weight and smaller in circumference
Basketball ..............750–800600–650
Water polo ..............680–710400–450
Volleyball ..............640–660260–280
Rugby ..............760–790 
 (long axis) 
 600–650375–425
 (short axis) 
Handball2 ..............580–600425–475
Soccer ..............680–700400–450
Tennis ..............200–20856.7–58.5
Table tennis ..............37.2–38.22.40–2.53

Some balls consist of a dense, compact core, made by molding various materials, and are covered with a casing of synthetic materials or leather (for example, those used in bandy and field hockey). A special group consists of hollow balls (without bladder chambers) with a constant pressure (for example, tennis balls, table-tennis balls, and balls used in artistic gymnastics).

The color of balls used in different games is strictly regulated: white for table tennis, badminton, and field hockey, and orange for bandy. Balls used in soccer, volleyball, handball, and water polo are traditionally made of 18 or 32 sections according to specified configurations. For the sizes and weights of sports balls see Table 1.

The ball used for playing badminton is a shuttlecock, which consists of a plastic or cork head, usually covered with rubber, and a cone-shaped plastic or feather stabilizer. The diameter of the head is 25–28 mm, and the greatest diameter of the stabilizer is 65 mm. The overall length of the shuttlecock measures 65–70 mm, and the weight ranges from 4.5 to 4.8 g.

In addition to sports balls, there are stuffed balls, which are used for training purposes, for example, medicine balls that weigh from 1 to 5 kg. Balls fastened to springs or pulleys and balls suspended from ropes are used in various sports training devices.

V. V. PAKHOMOV

What does it mean when you dream about a ball?

Balls can indicate everything from a game or some other form of relaxation to memories from our childhood. Balls can also have metaphorical connotations, such as being “tossed around,” “the ball’s in your court,” “having a ball” (having a good time) and “having balls” (courage). Any of these may be helpful in determining the meaning of this dream. A deeper, more universal symbolism is that circles and balls represent completeness and wholeness.

ball

[bȯl]
(geology)
A low sand ridge, underwater by high tide, which extends generally parallel with the shoreline; usually separated by an intervening trough from the beach.
A spheroidal mass of sedimentary material.
Common name for a nodule, especially of ironstone.
(mechanical engineering)
In fine grinding, one of the crushing bodies used in a ball mill.
(ordnance)
A bullet for general use, as distinguished from bullets for special uses such as armor-piercing, incendiary, or high explosive.
A small-arms solid propellant which is oblate spheroidal in shape, generally a double-base propellant.
References in periodicals archive ?
* Cartouche 8mm balle D (a m) to prevent primers from backing out of the case, a special cartridge was developed for the Modele 1917, the 8mm balle D (a m) (amorcage modifie--modified primer) which used a heavy crimp ta secure the primer in place.
So she will simply be moving to an office adjacent to the Sustainable Connections office on Ellis Street where she will manage the nationwide BALLE network.
BALLE co-founder and owner of Philadelphia's White Dog Cafe, Judy Wicks, came up with the idea after she realized that her business could not only provide for her, it could also give back to her community.
Balle began his DAV career as a DAV Department Of Michigan Service Officer in 1961 and was appointed a DAV NSO at the Detroit DAV Office in 1966.
'They killed the District Head, known as Sarkin Yamman Balle, Alhaji Ibrahim Aliyu, after dragging him from his house.
"Le juge d'instruction a pris cette decision a la lumiere du rapport balistique qui a confirme que la balle qui a atteint le jeune Aymen ne l'a pas touche directement mais par ricochet", a-t-il precise.
Car dans le temps additionnel, Seville obtenait une balle d'egalisation sur un penalty provoque par le gardien allemand du Barca, Marc Andre Ter Stegen.
Kurdula is a rural settlement in Balle and was chosen as location for the pilot scheme after series of deliberations by partners and local stakeholders.
Scheifley: Cartridges of the World gives data for the groundbreaking 8mm Lebel Balle D load as 2,380 fps for an energy of 2,481 ft.-lbs.
Every Friday lunchtime Simon Balle School library hosts an invited guest speaker, perhaps ex-student, member of school staff or more often now a volunteer student who, using a variety of formats, talks on a topic of their interest followed by a short question and answer session.
* Cartouche 8mm balle M--in 1895 changes to the cartridge case and bullet jacket led to the Lebers cartridge being designated the 8mm Balle M (for Modifie--Modified).
Preity and her team of belles who cheered on their princes and shared their spoils with pleasing high-fives and warm hugs spiced up the Punjab balle, balle between 22 yards, but the beauty would have lost a bit of its charm without the kind of contrast the objects in the same field of view had provided.