Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “diamond”

diamond

noun  /ˈdɑɪ·mənd, -ə·mənd/ us  

diamond noun (STONE)

[C/U] an extremely hard, valuable stone prized as a jewel and having many uses in industry: [U] a diamond engagement ring

diamond noun (SHAPE)

geometry [C] a shape with four straight sides that meet to form two wide and two narrow angles, or a square placed with a corner at the bottom

diamond noun (CARDS)

[pl] one of the four suits (= groups) of playing cards, the symbol for which is a diamond shape
(Definition of diamond from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of diamond?
Add Cambridge dictionaries to your browser to your website

Definitions of “diamond” in other dictionaries

Word of the Day

dawn on sb

If a fact dawns on you, you understand it after a period of not understanding it.

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More