diamond
dia·mond / ˈdī(ə)mənd/ • n. 1. a precious stone consisting of a clear and typically colorless crystalline form of pure carbon, the hardest naturally occurring substance. ∎ a tool with a small stone of such a kind for cutting glass. ∎ in extended and metaphorical use with reference to the brilliance, form, or hardness of diamonds: the air glitters like diamonds. 2. [often as adj.] a figure with four straight sides of equal length forming two opposite acute angles and two opposite obtuse angles; a rhombus: decorative diamond shapes. ∎ (diamonds) one of the four suits in a conventional pack of playing cards, denoted by a red figure of such a shape. ∎ a card of this suit: she led a losing diamond. ∎ the area delimited by the four bases of a baseball field, forming a square shape. ∎ a baseball field.PHRASES: diamond in the rough a person who is generally of good character but lacks manners, education, or style.DERIVATIVES: dia·mond·if·er·ous / ˌdī(ə)mənˈdifərəs/ adj.
