Main Entry:

¹di·a·mond

Pronunciation:

\ˈdī-(ə-)mənd\

Function:

noun

Usage:

often attributive

Etymology:

Middle English diamaunde, from Middle French diamand, from Late Latin diamant-, diamas, alteration of Latin adamant-, adamas hardest metal, diamond, from Greek

Date:

14th century

1 a: native crystalline carbon that is the hardest known mineral, that is usually nearly colorless, that when transparent and free from flaws is highly valued as a precious stone, and that is used industrially especially as an abrasive ; also : a piece of this substance b: crystallized carbon produced artificially2: something that resembles a diamond (as in brilliance, value, or fine quality)3: a square or rhombus-shaped figure usually oriented with the long diagonal vertical4 a: a playing card marked with a stylized figure of a red diamond bplural but sing or plural in constr : the suit comprising cards marked with diamonds5: a baseball infield ; also : the entire playing field