from The American Heritage® Dictionary of the English Language, 4th 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.
- transitive 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a 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. A rhombus, especially when oriented so that its longer axis is vertical.
- n. The polyiamond made up of two triangles.
- n. The entire field of play used in the game.
- n. The infield of a baseball field.
- n. 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
from the GNU version of the Collaborative International Dictionary of English
- 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. A pointed projection, like a four-sided pyramid, used for ornament in lines or groups.
- n. The infield; the square space, 90 feet on a side, having the bases at its angles.
- n. 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
from The 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.
- 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.
- n. In base-ball, the square space inclosed within the four bases.
- n. In heraldry, the tincture black in blazoning by means of precious stones.
- 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- 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
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)
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)