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1) "Carbide" -- As to carbide balls car·bide Pronunciation: 'kär-"bId Function: noun Etymology: International Scientific Vocabulary 1 : a binary compound of carbon with a more electropositive element; especially : CALCIUM CARBIDE 2 : a very hard material made of carbon and one or more heavy metals Pronunciation Symbols - For the software development tool targeting the Symbian OS, see Carbide.c++.
Calcium carbide. In chemistry, Carbide may refer to three different things: 1. The polyatomic ion C22−, or any salt of such. There is a triple bond between the two carbon atoms. 2. The monatomic ion C4−, or any salt of such. This ion is a very strong base, and will combine with four protons to form methane: C4− + 4H+ → CH4. 3. A carbon-containing alloy or doping of a metal or semiconductor, for example, steel. - 1 Examples
- 2 Types of carbides
- 2.1 Methides
- 2.2 Compounds that do not fit usual notions of valence or stoichiometry
- 2.3 Interstitial carbides
- 2.4 Some covalent compounds
- 3 Properties
- 4 External links
| - Sodium carbide (Na2C2)
- Silicon carbide (SiC)
- Tungsten carbide (often called simply carbide)
- Cementite (iron carbide; Fe3C)
See Category:Carbides for a bigger list. A salt corresponding to the ion C4− can be called a methide. Methides commonly react with water to form methane, however reactions with other substances are common.
These are formed with metals; they often have metallic properties. Elements that have similar electronegativity form mainly covalent compounds. For example, the compound silicon carbide is mostly covalent; it has similar structure to diamond. Under conditions of standard temperature and pressure, metal carbides react strongly with water to form metal oxides or hydroxides and flammable acetylene gas, e.g.: - CaC2 + 2H2O → C2H2 + Ca(OH)2
Carbide lamps, an impor..."
2) "Balls" -- As to carbide balls 1ball Pronunciation: 'bol Function: noun Usage: often attributive Etymology: Middle English bal, probably from Old English *beall; akin to Old English bealluc testis, Old High German balla ball, Old Norse bollr, Old English blAwan to blow -- more at BLOW 1 : a round or roundish body or mass: as a : a spherical or ovoid body used in a game or sport <a tennis ball> -- used figuratively in phrases like the ball is in your court to indicate who has the responsibility or opportunity for further action b : EARTH, GLOBE c : a spherical or conical projectile; also : projectiles used in firearms d : a roundish protuberant anatomical structure (as near the tip of a human finger or toe or at the base of a thumb); especially : the part of the sole of the human foot between the toes and arch on which the main weight of the body rests in normal walking 2 a often vulgar : TESTIS b plural (1) often vulgar : NONSENSE -- often used interjectionally (2) often vulgar : NERVE 3 3 : a game in which a ball is thrown, kicked, or struck; also : quality of play in such a game 4 a : a pitch not swung at by the batter that fails to pass through the strike zone b : a hit or thrown ball in various games <foul ball> - on the ball 1 : COMPETENT, KNOWLEDGEABLE, ALERT <the other introductory essay...is much more on the ball -- Times Literary Supplement> <keep on the ball> 2 : of ability or competence <if the teacher has something on the ball, the pupils won't squirm much -- New Yorker> Pronunciation Symbols A ball is used for throwing or kicking. In games: - Bungee Ball, a toy
- In Bowling (cricket), a ball is one delivery of the cricket ball to the batsman by the bowler
- Ball (baseball statistics), a pitch not swung at, nor in the strike zone
In math and science: - Ball (mathematics), the solid interior of a sphere
- "Buckyball", or fullerene
Spherical balls: - Another name for round shot, a projectile fired from guns and cannons.
- Any collection of flexible material such as twine or rubber bands collected or wound into a spherical shape, as in a ball of yarn
- A collection of insects, especially bees, used in collective defense against larger insects such as predatory wasps - see honey bee defense
- Ben Wa balls, used for massage and meditation purposes, as well as female masturbation or anal pleasure
- RB-79 Ball a fictional weapon from the anime series Mobile Suit Gundam
- Bauble or ball, see Christmas tree
Other uses: - Ball (dance), a social gathering
- Ball, a slang verb for copulation
- Balls, slang term for testicles
- Balls, slang term used for courage or spunk
- Ball (anatomy), a bottom part of the foot
- BALL (Biochemical Algorithms Library), C++ library containing common algorithms used in biochemistry and bioinformatics
- Ball (Iron Butterfly album) (1969), by Iron Butterfly
- Ball (Napoleon Murphy Brock album) (2002), by Napoleon Murphy Brock
- Ball (Widespread Panic album) (2003), by Widespread Panic
- Bawls, a high caffeine soft drink
Places, organizations: - Ball, Louisiana, a city in the United States
- Ball Corporation, a U.S. packaging manufacturer
- Ball State University
- Blue Ball, Pennsylvania, USA
People named "Ball":
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