diamond
n
1
(a) [U, C] transparent precious stone of pure carbon in crystallized form, the hardest substance known 金刚石; 金刚钻; 钻石
a ring with a diamond in it 钻石戒指
[attrib 作定语]
a diamond ring, necklace, etc 钻石戒指、 项链等.
(b) [C] piece of this (often artificially made) used in industry, esp for cutting glass or as a stylus for playing records (常为人造的)工业用金刚石; (尤指)金刚石玻璃刀, 宝石唱针.
2 [C] figure with four equal sides and with angles that are not right angles 菱形.
3
(a) diamonds [sing or pl v]
suit of playing-cards marked with red diamond shapes 红方块花色的纸牌
the five of diamonds 方块五
Diamonds is/are trumps. 方块为王牌.
(b) [C] playing-card of this suit 方块牌
play a diamond 出一张方块. =>illus at playing-card 见playing-card之插图.
4 [C] (in baseball) space inside the lines connecting the bases (棒球)内野(四垒连线内的场地).
5 (idm 习语) a rough diamond => rough1.
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前,务必要关上电源,关好窗户。
You were very kind. You brought out all your jewellery and you told me I could take anything I wanted. There were so many beautiful things that it was hard to choose. And then I saw a lovely diamond necklace with a big blue stone in the centre.