Diamond

n.	1.	A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.
	2.	A geometrical figure, consisting of four equal straight lines, and having two of the interior angles acute and two obtuse; a rhombus; a lozenge.
	3.	One of a suit of playing cards, stamped with the figure of a diamond.
	4.	(Arch.) A pointed projection, like a four-sided pyramid, used for ornament in lines or groups.
	5.	(Baseball) The infield; the square space, 90 feet on a side, having the bases at its angles.
	6.	(Print.) The smallest kind of type in English printing, except that called brilliant, which is seldom seen. Black diamond (Min.) coal; (Min.) See Carbonado. Bristol diamond See Bristol stone, under Bristol. Diamond beetle (Zool.) a large South American weevil (Entimus imperialis), remarkable for its splendid luster and colors, due to minute brilliant scales. Diamond bird (Zool.) a small Australian bird (Pardalotus punctatus, family Ampelidæ.). It is black, with white spots. Diamond drill (Engin.) a rod or tube the end of which is set with black diamonds; - used for perforating hard substances, esp. for boring in rock. Diamond finch (Zool.) a small Australian sparrow, often kept in a cage. Its sides are black, with conspicuous white spots, and the rump is bright carmine. Diamond groove (Iron Working) a groove of V-section in a roll. Diamond mortar (Chem.) a small steel mortar used for pulverizing hard substances. Diamond-point tool a cutting tool whose point is diamond-shaped. Diamond snake (Zool.) a harmless snake of Australia (Morelia spilotes); the carpet snake. Glazier's diamond a small diamond set in a glazier's tool, for cutting glass.
a.	1.	Resembling a diamond; made of, or abounding in, diamonds; as, a diamond chain; a diamond field.

Noun	1.	diamond - a transparent piece of diamond that has been cut and polished and is valued as a precious gem
	2.	diamond - very hard native crystalline carbon valued as a gem Synonyms: adamant
	3.	diamond - a playing card in the minor suit of diamonds
	4.	diamond - the area of a baseball field that is enclosed by 3 bases and home plate Synonyms: baseball diamond, infield
	5.	diamond - the baseball playing field Synonyms: ball field, baseball field

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]).

Development and Integration of Accurate Mathematical Operations in Numerical Data-processing (ESPRIT)acceptable person, ace, adamant, agate, alexandrite, amethyst, aquamarine, archery ground, athletic field, badminton court, baseball field, basketball court, beryl, best bower, billiard parlor, bloodstone, boast, bone, bower, bowling alley, bowling green, brick, brilliant, capital fellow, carbuncle, cards, carnelian, catch, cement, chalcedony, chrysoberyl, chrysolite, citrine, clubs, concrete, coral, course, court, cricket ground, croquet ground, croquet lawn, deck, demantoid, deuce, diamonds, dummy, emerald, face cards, fairway, field, find, flint, flush, football field, full house, garnet, gem, gentleman, girasol, glaciarium, godsend, golf course, golf links, good fellow, good lot, good man, good person, good sort, good thing, good woman, granite, gridiron, gym, gymnasium, hand, harlequin opal, heart of oak, hearts, heliotrope, honest man, hyacinth, ice rink, infield, iron, jack, jade, jadestone, jargoon, jasper, jewel, joker, king, knave, lady, lapis lazuli, left bower, links, marble, mensch, moonstone, morganite, nails, oak, onyx, opal, outfield, oval, pack, pair, pearl, perfect gentleman, perfect lady, peridot, persona grata, picture cards, plasma, playground, playing cards, playing field, playroom, plum, polo ground, pool hall, poolroom, pride, pride and joy, prince, prize, putting green, queen, racecourse, racket court, real man, right sort, rink, rock, rose quartz, rough diamond, round, royal flush, rubber, ruby, ruff, sapphire, sard, sardonyx, singleton, skating rink, soccer field, spades, spinel, spinel ruby, squash court, steel, stone, straight, stretch, tennis court, topaz, track, treasure, trey, trick, trophy, trouvaille, trump, turf, turquoise, windfall, winner, worthy