diamond
dia|mond /d'aɪəmənd/ (diamonds)
1 [N-VAR]
A diamond is a hard, bright, precious stone which is clear and colourless. Diamonds are used in jewellery and for cutting very hard substances.
...a pair of diamond earrings.
2 [N-COUNT]
A diamond is a shape with four straight sides of equal length where the opposite angles are the same, but none of the angles is equal to 90°: ♦.
He formed his hands into the shape of a diamond.
3 [N-UNCOUNT-COLL]
Diamonds is one of the four suits of cards in a pack of playing cards. Each card in the suit is marked with one or more red symbols in the shape of a diamond.
He drew the seven of diamonds.
[N-COUNT]
A diamond is a playing card of this suit.dia|mond ju|bi|lee (diamond jubilees)
[N-COUNT]
A diamond jubilee is the sixtieth anniversary of an important event.
1 [N-VAR]
A diamond is a hard, bright, precious stone which is clear and colourless. Diamonds are used in jewellery and for cutting very hard substances.
...a pair of diamond earrings.
2 [N-COUNT]
A diamond is a shape with four straight sides of equal length where the opposite angles are the same, but none of the angles is equal to 90°: ♦.
He formed his hands into the shape of a diamond.
3 [N-UNCOUNT-COLL]
Diamonds is one of the four suits of cards in a pack of playing cards. Each card in the suit is marked with one or more red symbols in the shape of a diamond.
He drew the seven of diamonds.
[N-COUNT]
A diamond is a playing card of this suit.dia|mond ju|bi|lee (diamond jubilees)
[N-COUNT]
A diamond jubilee is the sixtieth anniversary of an important event.