B1noun1K

Diamond

UK /["/ˈdaɪmənd/"]/US /["/ˈdaɪmənd/"]/

Definition

a clear precious stone of pure carbon, the hardest substance known. Diamonds are used in jewellery and also in industry, especially for cutting glass.

In simple words: A hard, shiny stone that is very valuable and often used in jewelry.

Examples

  • She received a beautiful diamond ring for her birthday.
  • The diamond is the hardest natural material.
  • His performance in the competition was a diamond among the rest.
  • They found diamonds in the riverbed during their expedition.
  • The diamond shape is often used in art and design.

Usage notes

The term 'diamond' can refer to the stone itself or the shape often used in design. Commonly used in contexts relating to jewelry or grading of gemstones. It's less appropriate in informal contexts unless referring to something like sports rankings (e.g., diamond league).

Grammar pattern

standalone noun

Memory hint

Think of a 'diamond' as shining and expensive, like a 'Dime' but a lot bigger!

Collocations

  • flawless
  • perfect
  • real
  • cut
  • polish
  • set
  • glitter
  • sparkle
  • mine
  • industry
  • trade

Synonyms

  • gem
  • jewel
  • brilliant
  • rock
  • precious stone

Antonyms

  • pebble
  • stone

Common mistakes

  • Confused with 'diamond' as a shape versus a gemstone.
  • Using 'diamonds' when referring to a singular item.
  • Mispronouncing it as if it has three syllables instead of two.