diamond

Pluraldiamonds

1. 1
   gemstonenouncountable or uncountable

   A very hard, clear, shiny stone that is very valuable and often used in jewelry.

   Like a small piece of clear ice that never melts and shines in the light.

   She wore a small diamond on a gold chain.

   The thief stole diamonds worth a million dollars from the store.

   UsageSay a diamond or diamonds for stones. Diamond alone names the material.

2. 2
   made of gemsadjective

   Made of diamond, or having one or more diamonds in it.

   She got a diamond ring for her birthday.

   The saw has a diamond edge that can cut stone.

   Similardiamantine

3. 3
   four-sided shapenouncountable or uncountable

   A shape with four equal sides that stands on one of its corners.

   Like a square that has been turned to balance on one corner.

   She cut the paper into a diamond and taped it to the window.

   The road sign was a yellow diamond with a deer on it.

   UsageSay diamond-shaped, or fold it into a diamond.

   Similarlozenge, rhombus

   Note
4. 4
   sparkling thingnouncountable or uncountable

   Anything that shines or is shaped like a diamond.

   Each raindrop on the spider web was a tiny diamond.

   The frost turned the grass into a field of little diamonds.

   Similarjewel, gem

5. 5
   baseball fieldnouncountable or uncountable

   The field where baseball is played, especially the square part with the bases.

   The kids ran out onto the diamond for practice.

   Our town built a new diamond behind the school.

   Similarinfield, baseball field

   Note
6. 6
   playing cardnouncountable or uncountable

   A playing card from the suit marked with red diamond shapes.

   I had no hearts left, so I played a diamond.

   She sorted the diamonds to one side of her hand.

   UsageOne card is a diamond. The suit is diamonds.

7. 7
   sixty yearsadjective

   Used for celebrating 60 years, or sometimes 75 years, since something happened.

   Grandma and Grandpa will celebrate their diamond wedding next spring, after sixty years together.

   The school is selling diamond anniversary mugs to mark sixty years since it first opened its doors.

   UsageSay diamond anniversary for 60 years, but give the number to be clear.

   Note
8. 8
   engagement ringnouncountable or uncountable

   A ring that has a diamond set in it.

   He bought her a diamond and asked her to marry him.

   She took off her diamond before washing the dishes.

   Similarring

9. 9
   excellentadjectiveslangBritish

   Very good or excellent.

   Thanks for helping me move all weekend. You were diamond.

   Thanks for fixing my bike, mate. You're diamond.

   UsageSay He's a diamond geezer to praise a man.

   Similargreat, excellent, terrific, brilliant

   Oppositeterrible, lousy

   Note

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