Diamond -
One of five pedagogical languages based on Markov algorithms, used in "Nonpareil, a Machine Level Machine Independent Language for the Study of Semantics", B. Higman, ULICS Intl Report No ICSI 170, U London (1968). (cf. Brilliant, Nonpareil, Pearl[3], Ruby[2]).
This article is provided by FOLDOC - Free Online Dictionary of Computing (www.foldoc.org)
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Monday, March 16, 2009
diamond
token of affection, e.g., for engagement. [Gem Symbolism: Jobes, 440–441]
See : Love
Allusions—Cultural, Literary, Biblical, and Historical: A Thematic Dictionary. Copyright 2008 The Gale Group, Inc. All rights reserved.
See : Love
Allusions—Cultural, Literary, Biblical, and Historical: A Thematic Dictionary. Copyright 2008 The Gale Group, Inc. All rights reserved.
diamond
1.
a. a colourless exceptionally hard mineral (but often tinted yellow, orange, blue, brown, or black by impurities), found in certain igneous rocks (esp the kimberlites of South Africa). It is used as a gemstone, as an abrasive, and on the working edges of cutting tools. Composition: carbon. Formula: C. Crystal structure: cubic
b. (as modifier): a diamond ring
2. Geometry
a. a figure having four sides of equal length forming two acute angles and two obtuse angles; rhombus
b. rhombic
3.
a. a red lozenge-shaped symbol on a playing card
b. a card with one or more of these symbols or (when plural) the suit of cards so marked
4. Baseball
a. the whole playing field
b. the square formed by the four bases
5. black diamond a figurative name for coal
6. rough diamond an unpolished diamond
www.adiamondisforever.com
www.amnh.org/exhibitions/diamonds
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
a. a colourless exceptionally hard mineral (but often tinted yellow, orange, blue, brown, or black by impurities), found in certain igneous rocks (esp the kimberlites of South Africa). It is used as a gemstone, as an abrasive, and on the working edges of cutting tools. Composition: carbon. Formula: C. Crystal structure: cubic
b. (as modifier): a diamond ring
2. Geometry
a. a figure having four sides of equal length forming two acute angles and two obtuse angles; rhombus
b. rhombic
3.
a. a red lozenge-shaped symbol on a playing card
b. a card with one or more of these symbols or (when plural) the suit of cards so marked
4. Baseball
a. the whole playing field
b. the square formed by the four bases
5. black diamond a figurative name for coal
6. rough diamond an unpolished diamond
www.adiamondisforever.com
www.amnh.org/exhibitions/diamonds
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
diamond
Mineral composed of pure carbon, the hardest naturally occurring substance known and a valuable gemstone. Diamonds are formed deep in the Earth by tremendous pressures and temperatures over long periods of time. In the crystal structure of diamond, each carbon atom is linked to four other, equidistant, carbon atoms. This tight crystal structure results in properties that are very different from those of graphite, the other common form of pure carbon. Diamonds vary from colourless to black and may be transparent, translucent, or opaque. Most gem diamonds are transparent and colourless or nearly so. Colourless or pale blue stones are most valued, but most gem diamonds are tinged with yellow. Because of their extreme hardness, diamonds have important industrial applications. Most industrial diamonds are gray or brown and are translucent or opaque. In the symbolism of gemstones, the diamond represents steadfast love and is the birthstone for April.
For more information on diamond, visit Britannica.com. Britannica Concise Encyclopedia. Copyright © 1994-2008 Encyclopædia Britannica, Inc.
For more information on diamond, visit Britannica.com. Britannica Concise Encyclopedia. Copyright © 1994-2008 Encyclopædia Britannica, Inc.
The Diamond Cartel
The discoveries of 1870–71 in South Africa led to a great number of prospectors staking out claims and securing the diamonds by open-pit or quarry mining. The damage caused by floods and mudslides, unavoidable when there were so many different claims, was an important factor in the series of amalgamations carried on by Cecil Rhodes Rhodes, Cecil John (sĕs`ĭl, rōdz), 1853–1902, British imperialist and business magnate.
..... Click the link for more information. and Barnett Barnato Barnato, Barnett (bärnä`tō), 1852–97, South African financier, b. London.
..... Click the link for more information. . Rhodes brought about the merging of their interests in the De Beers Consolidated Mines, Ltd., which established (1889) an effective monopoly over the diamond industry. Loss of diamonds by theft was reduced through the passage of the so-called I.D.B. (Illicit Diamond Buying) Act, which limited the trade to licensed buyers and imposed penalties for the possession of uncut stones without a license. Thefts were further curtailed by the institution of compounds in which the workers live while employed by the company and which they leave only after being thoroughly searched.
Most of the major diamond producers belong to, or have cooperated with, the De Beers–led marketing cartel, formed to maintain the price of diamonds at a high level. De Beers, under Harry Oppenheimer's leadership (1957–84), maintained its dominant position in the industry by using its numerous worldwide companies to buy up new sources of diamonds and to control distribution of industrial diamonds and production of synthetic ones. In the last decades of the 20th cent., however, De Beers' hold over the unpolished diamond market decreased, and in 2000 the company announced it would end to its policy of controlling diamond prices through hoarding and shift its focus to increasing sales.
..... Click the link for more information. and Barnett Barnato Barnato, Barnett (bärnä`tō), 1852–97, South African financier, b. London.
..... Click the link for more information. . Rhodes brought about the merging of their interests in the De Beers Consolidated Mines, Ltd., which established (1889) an effective monopoly over the diamond industry. Loss of diamonds by theft was reduced through the passage of the so-called I.D.B. (Illicit Diamond Buying) Act, which limited the trade to licensed buyers and imposed penalties for the possession of uncut stones without a license. Thefts were further curtailed by the institution of compounds in which the workers live while employed by the company and which they leave only after being thoroughly searched.
Most of the major diamond producers belong to, or have cooperated with, the De Beers–led marketing cartel, formed to maintain the price of diamonds at a high level. De Beers, under Harry Oppenheimer's leadership (1957–84), maintained its dominant position in the industry by using its numerous worldwide companies to buy up new sources of diamonds and to control distribution of industrial diamonds and production of synthetic ones. In the last decades of the 20th cent., however, De Beers' hold over the unpolished diamond market decreased, and in 2000 the company announced it would end to its policy of controlling diamond prices through hoarding and shift its focus to increasing sales.
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