American Heritage® Dictionary of the English Language, Fourth Edition
- n. An extremely hard, highly refractive crystalline form of carbon that is usually colorless and is used as a gemstone and in abrasives, cutting tools, and other applications.
- n. A piece of jewelry containing such a gemstone.
- n. A figure with four equal sides forming two inner obtuse angles and two inner acute angles; a rhombus or lozenge.
- n. Games A red, lozenge-shaped figure on certain playing cards.
- n. Games A playing card with this figure.
- n. Games The suit of cards represented by this figure.
- n. Baseball An infield.
- n. Baseball The whole playing field.
- adj. Of or relating to a 60th or 75th anniversary.
- v. To adorn with or as if with diamonds.
- idiom. diamond in the rough One having exceptionally good qualities or the potential for greatness but lacking polish and refinement.
Century Dictionary and Cyclopedia
- n. Adamant; steel, or some imaginary substance of extreme hardness or impenetrability.
- n. A precious stone, distinguished from all others by being combustible and by its extreme hardness, as well as by its superior refractive and dispersive power. It consists of pure or nearly pure carbon, leaving only a very small quantity of ash when burned. Its specific gravity is about 3½ its crystalline form is the isometric, and it cleaves readily in planes parallel to the faces of the regular octahedron. Natural crystals are found in a great variety of forms belonging to the isometric system. The crystalline planes of the diamond have this peculiarity, that they are frequently more or less convex, instead of being flat, as those of crystals usually are. The range of color of the diamond is extensive, but hues of light yellow, or straw-color, and brown are of most common occurrence. Diamonds of a decided color, such as green, blue, or even red, are found, but they are extremely rare; only one deep-red diamond is known. A diamond is of the first water when it is without flaw or tint of any kind. The value of the gem increases in an increasing ratio with its weight up to a moderate size; beyond that there is no fixed value. A first-water diamond of one carat being considered worth $100, one of two carats would be held at $300, and one of ten at $11,000. The most desirable form in which the diamond may be cut is called the brilliant. (See cuts under
brilliant.) Diamonds formerly came chiefly from India, and later from Brazil; the present principal source of supply is southern Africa, where they are found associated with a peculiar rock of unequivocal volcanic origin. In all other diamantiferous regions diamonds have been found only in the surface detrital material (gravel and sand), or else, rarely, in rock of fragmental origin. See bort.
- n. A geometrical figure bounded by four equal straight lines forming two acute and two obtuse angles; a rhomb; a lozenge; specifically, such a figure printed in red on a playing-card.
- n. A playing-card stamped with one or more red lozenge-shaped figures.
- n. A tool armed with a diamond, used for cutting glass. Diamonds so used are uncut, and they are so mounted as to act upon the glass, not by an angle, but by a curvilinear edge of the crystal.
- n. In base-ball, the square space inclosed within the four bases. See
- n. In heraldry, the tincture black in blazoning by means of precious stones. See
- n. The smallest size of printing-type in common use; a size smaller than pearl. Brilliant, very rarely used, is the only regular size below it.
- n. This line is printed in diamond.
- n. Mineral coal, as consisting, like diamonds, of carbon.
- Resembling a diamond; consisting of diamonds; set with a diamond or diamonds: as, a diamond luster; a diamond necklace; a diamond ring.
- Lozenge-shaped; rhombic: as, diamond window-panes.
- Having rhomboid figures or markings: as, the diamond rattlesnake.
- To set or decorate with diamonds.
- n. uncountable A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of tetrahedron.
- n. A gemstone made from this mineral.
- n. A ring containing a diamond.
- n. A very pale blue color/colour.
- n. Something that resembles a diamond.
- n. geometry A rhombus, especially when oriented so that its longer axis is vertical.
- n. geometry The polyiamond made up of two triangles.
- n. baseball The entire field of play used in the game.
- n. baseball The infield of a baseball field.
- n. card games A card of the diamonds suit.
- adj. made of, or containing diamond, a diamond or diamonds.
- adj. of, relating to, or being a sixtieth anniversary.
- adj. of, relating to, or being a seventy-fifth anniversary.
- v. to adorn with or as if with diamonds
GNU Webster's 1913
- n. A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.
- n. A geometrical figure, consisting of four equal straight lines, and having two of the interior angles acute and two obtuse; a rhombus; a lozenge.
- n. One of a suit of playing cards, stamped with the figure of a diamond.
- n. (Arch.) A pointed projection, like a four-sided pyramid, used for ornament in lines or groups.
- n. (Baseball) The infield; the square space, 90 feet on a side, having the bases at its angles.
- n. (Print.) The smallest kind of type in English printing, except that called
brilliant, which is seldom seen.
- adj. Resembling a diamond; made of, or abounding in, diamonds
- n. the area of a baseball field that is enclosed by 3 bases and home plate
- n. a playing card in the minor suit that has one or more red rhombuses on it
- n. a transparent piece of diamond that has been cut and polished and is valued as a precious gem
- n. the baseball playing field
- n. a parallelogram with four equal sides; an oblique-angled equilateral parallelogram
- n. very hard native crystalline carbon valued as a gem
- From Old French diamant, from Late Latin diamas, from Latin adamas, from Ancient Greek ἀδάμας (adámas, "invincible, untamed; hard substance"), from ἀ- (a-, "un-") + δαμάζω (damázo, "to overpower, tame, conquer"). (Wiktionary)
- Middle English diamaunt, from Old French diamant, from Medieval Latin diamās-, diamant-, alteration of Latin adamās; see adamant. (American Heritage® Dictionary of the English Language, Fourth Edition)
“-- The real identity of the two words explains Milton’s use of ‘diamond’ in _Paradise Lost_, b. 7; and also in that sublime passage in his _Apology for Smectymnuus_: “Then zeal, whose substance is ethereal, arming in complete _diamond_”.”
“I didn't know that the word diamond comes from the Greek word "Adamas" which means unconquerable.”
“Dayzatari say that diamonds are the thoughts of stars, fallen to earth, and the Pelorian name for diamond translates as "starthought.”
“Their trip to the crystal leads to the discovery that the diamond is actually hollow and harbors an alternate Earth.”
“I'll tell you, that very first shot, we got an amazing, amazing photo of what they call the diamond ring.”
“If you wait another five minutes on this tape, you'll see what we call the diamond ring.”
“These patrol men should have had a lot more training now, been able to gone into the school, been able to move into what we call a diamond formation, where the actual patrol officers stack up in three-man teams and begin a methodical search of the entire building going directly to the threat, not actually waiting outside the school which is what we saw in Columbine.”
“Since those days Mr. Menpes has continued to draw from photographs, and -- the base of his artistic education being deficient from the first -- the result of his long abstention from Nature is apparent, even to the least critical, in the some hundred and seventy paintings, etchings, and what he calls diamond-points on ivory, on exhibition at”
“Mr Cameron's inner team is settled in what he calls a diamond formation, with Andy Coulson, the Essex man, on the right wing, his ideas guru Steve Hilton providing the empathy and George Osborne providing the unshakeable will to win.”
“In November the diamond is getting a new temporary setting, chosen by the public through an online contest.”
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Looking for tweets for diamond.