diamond

dia•mond

[[t]ˈdaɪ mənd, ˈdaɪ ə-[/t]] n.

1) mir a pure or nearly pure, extremely hard form of carbon crystallized in the isometric system

2) a piece of this substance

3) jew a transparent, flawless or almost flawless piece of this mineral, esp. when cut and polished, valued as a precious gem

4) jew a piece of jewelry containing a diamond

5) a piece of this mineral used in a drill or cutting tool

6) math. an equilateral quadrilateral, esp. as placed with its diagonals vertical and horizontal

7) gam a red rhombus-shaped figure on a playing card

8) gam a card bearing such figures

9) gam diamonds, (used with a sing. or pl. v.) the suit so marked

10) spo

a) the infield in baseball

b) the entire playing field

11) made of or set with diamonds

12) having the shape of a diamond

13) indicating the 60th or 75th event of a series, as a wedding anniversary

14) to adorn with or as if with diamonds

•

- diamond in the rough

Etymology: 1275–1325; < OF