<p><strong>Noun</strong></p><ul><li>a pure or nearly pure, extremely hard form of carbon, naturally crystallized in the isometric system.</li><li>a piece of this stone.</li><li>a transparent, flawless or almost flawless piece of this stone, especially when cut and polished, valued as a precious gem.</li><li>a ring or other piece of jewelry containing such a precious stone, especially an engagement ring.</li><li>a piece of this stone used in a drill or cutting tool.</li><li>a tool provided with such an uncut stone, used for cutting glass.</li><li>crystallized carbon, or a piece of it, artificially produced.</li><li>an equilateral quadrilateral, especially as placed with its diagonals vertical and horizontal; a lozenge or rhombus.</li><li>any rhombus-shaped figure or object oriented with its diagonals vertical and horizontal.</li><li>a red rhombus-shaped figure on a playing card.</li><li>a card of the suit bearing such figures.</li><li>diamonds, (used with a singular or plural verb) the suit so marked: Diamonds is trump. Diamonds are trump.</li><li>Baseball. the space enclosed by home plate and the three bases; infield.</li><li>the entire playing field.</li><li>Printing. a 4½-point type of a size between brilliant and pearl.</li></ul><p><strong>Adjective</strong></p><ul><li>made of or set with a diamond or diamonds.</li><li>having the shape of a diamond: a dress with a diamond print.</li><li>indicating the 75th, or sometimes the 60th, event of a series, as a wedding anniversary.</li></ul><p><strong>Verb</strong></p><ul><li>to adorn with or as if with diamonds.</li></ul><p><strong>End of Response</strong></p>