Diamond, n., adj., & v.
--n.
1 a precious stone of pure carbon crystallized in octahedrons etc., the hardest naturally-occurring substance.
2 a figure shaped like the cross-section of a diamond; a rhombus.
3 a a playing-card of a suit denoted by a red rhombus. b (in pl.) this suit.
4 a glittering particle or point (of frost etc.).
5 a tool with a small diamond for glass-cutting.
6 Baseball a the space delimited by the bases. b the entire field.
--adj.
1 made of or set with diamonds or a diamond.
2 rhombus-shaped.
--v.tr. adorn with or as with diamonds.

Idiom

diamond cut diamond wit or cunning is met by its like. diamond jubilee the 60th (or 75th) anniversary of an event, esp. a sovereign's accession. diamond wedding a 60th (or 75th) wedding anniversary.

Derivative

diamondiferous adj.

Etymology

ME f. OF diamant f. med.L diamas diamant- var. of L adamas ADAMANT f. Gk

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THESAURUS

Diamond

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

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ROGET THESAURUS

Diamond

Goodness

N goodness, excellence, merit, virtue, value, worth, price, super-excellence, supereminence, superiority, perfection, coup de maitre, masterpiece, chef d'ouvre, prime, flower, cream, elite, pick, A, nonesuch, nonpareil, creme de la creme, flower of the flock, cock of the roost, salt of the earth, champion, prodigy, tidbit, gem, gem of the first water, bijou, precious stone, jewel, pearl, diamond, ruby, brilliant, treasure, good thing, rara avis, one in a thousand, beneficence, good man, harmless, hurtless, unobnoxious, innocuous, innocent, inoffensive, beneficial, valuable, of value, serviceable, advantageous, edifying, profitable, salutary, favorable, propitious fair, good, good as gold, excellent, better, superior, above par, nice, fine, genuine, best, choice, select, picked, elect, recherche, rare, priceless, unparagoned, unparalleled, superlatively, good, bully, crackajack, giltedged, superfine, superexcellent, of the first water, first-rate, first-class, high- wrought, exquisite, very best, crack, prime, tiptop, capital, cardinal, standard, inimitable, admirable, estimable, praiseworthy, pleasing, couleur de rose, precious, of great price, costly, worth its weight in gold, worth a Jew's eye, priceless, invaluable, inestimable, precious as the apple of the eye, tolerable, up to the mark, unexceptionable, unobjectionable, satisfactory, tidy, in good condition, in fair condition, fresh, sound, beneficially, well, Jewels five words long, long may such goodness live!, the luxury of doing good.

Jewelry

N jewel, jewelry, jewellery, bijoutry, bijou, bijouterie, trinket, fine jewelry, costume jewelry, junk jewelry, gem, gemstone, precious stone, necklace, bracelet, anklet, earring, locket, pendant, charm bracelet, ring, pinky ring, carcanet, chain, chatelaine, broach, pin, lapel pin, torque, diamond, brilliant, rock, beryl, emerald, chalcedony, agate, heliotrope, girasol, girasole, onyx, plasma, sard, sardonyx, garnet, lapis lazuli, opal, peridot, tourmaline, chrysolite, sapphire, ruby, synthetic ruby, spinel, spinelle, balais, oriental, oriental topaz, turquois, turquoise, zircon, cubic zirconia, jacinth, hyacinth, carbuncle, amethyst, alexandrite, cat's eye, bloodstone, hematite, jasper, moonstone, sunstone, pearl, cultured pearl, fresh-water pearl, mother of pearl, coral, jeweler, gemologist, minerologist, lapidary, lapidarian, gemology, gemmology, minerology, bejeweled, diamond, (gemstones), gemological, jewel, jewelry, jewellery, bijoutry, bijou, bijouterie, trinket, fine jewelry, costume jewelry, junk jewelry, gem, gemstone, precious stone, necklace, bracelet, anklet, earring, locket, pendant, charm bracelet, ring, pinky ring, carcanet, chain, chatelaine, broach, pin, lapel pin, torque, diamond, brilliant, rock, beryl, emerald, chalcedony, agate, heliotrope, girasol, girasole, onyx, plasma, sard, sardonyx, garnet, lapis lazuli, opal, peridot, tourmaline, chrysolite, sapphire, ruby, synthetic ruby, spinel, spinelle, balais, oriental, oriental topaz, turquois, turquoise, zircon, cubic zirconia, jacinth, hyacinth, carbuncle, amethyst, alexandrite, cat's eye, bloodstone, hematite, jasper, moonstone, sunstone, pearl, cultured pearl, fresh-water pearl, mother of pearl, coral, jeweler, gemologist, minerologist, lapidary, lapidarian, gemology, gemmology, minerology, bejeweled, diamond, (gemstones), gemological.

Angularity

N angularity, angularness, aduncity, angle, cusp, bend, fold, notch, fork, bifurcation, elbow, knee, knuckle, ankle, groin, crotch, crutch, crane, fluke, scythe, sickle, zigzag, kimbo, akimbo, corner, nook, recess, niche, oriel, coign, right angle, obliquity, angle of 45 degrees, miter, acute angle, obtuse angle, salient angle, reentering angle, spherical angle, angular measurement, angular elevation, angular distance, angular velocity, trigonometry, goniometry, altimetry, clinometer, graphometer, goniometer, theodolite, sextant, quadrant, dichotomy, triangle, trigon, wedge, rectangle, square, lozenge, diamond, rhomb, rhombus, quadrangle, quadrilateral, parallelogram, quadrature, polygon, pentagon, hexagon, heptagon, octagon, oxygon, decagon, pyramid, cone, Platonic bodies, cube, rhomboid, tetrahedron, pentahedron, hexahedron, octahedron, dodecahedron, icosahedron, eicosahedron, prism, pyramid, parallelopiped, curb roof, gambrel roof, mansard roof, angular, bent, crooked, aduncous, uncinated, aquiline, jagged, serrated, falciform, falcated, furcated, forked, bifurcate, zigzag, furcular, hooked, dovetailed, knock kneed, crinkled, akimbo, kimbo, geniculated, oblique, fusiform, wedge-shaped, cuneiform, cuneate, multangular, oxygonal, triangular, trigonal, trilateral, quadrangular, quadrilateral, foursquare, rectangular, square, multilateral, polygonal, cubical, rhomboid, rhomboidal, pyramidal.

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