| diamond | |
| 1. 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. | |
| The saw is coated with diamond. | |
| 2. n. A gemstone made from this mineral. | |
| The dozen loose diamonds sparkled in the light. | |
| 3. n. A ring containing a diamond. | |
| What a beautiful engagement diamond. | |
| 4. n. A very pale blue color/colour. | |
| diamond color: | |
| 5. n. Something that resembles a diamond. | |
| 6. n. (geometry) A rhombus, especially when oriented so that its longer axis is vertical. | |
| 7. n. (geometry) The polyiamond made up of two triangles. | |
| 8. n. (baseball) The entire field of play used in the game. | |
| 9. n. (baseball) The infield of a baseball field. | |
| The teams met on the diamond. | |
| 10. n. (card games) A card of the diamonds suit. | |
| I have only one diamond in my hand. | |
| 11. n. (printing, dated) A size of type, standardised as 4½ point. | |
| 12. adj. made of, or containing diamond, a diamond or diamonds. | |
| He gave her diamond earrings. | |
| 13. adj. of, relating to, or being a sixtieth anniversary. | |
| Today is their diamond wedding anniversary. | |
| 14. adj. of, relating to, or being a seventy-fifth anniversary. | |
| Today is their diamond wedding anniversary. | |
| 15. adj. (slang) First-rate; excellent. | |
| He's a diamond geezer. | |
| 16. v. to adorn with or as if with diamonds | |
| 17. n. (printing, dated) The size of type between brilliant and pearl, standardized as 4½-point. | |
