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Noun: diamond  dI-mund
  1. Very hard native crystalline carbon valued as a gem
    "The engagement ring featured a brilliant diamond in a platinum setting";
    - adamant [archaic]
     
  2. A transparent piece of diamond that has been cut and polished and is valued as a precious gem
    "The engagement ring featured a brilliant-cut diamond"
     
  3. (baseball) the area of a baseball field that is enclosed by 3 bases and home plate
    "The groundskeeper meticulously maintained the baseball diamond before each game";
    - baseball diamond, infield
     
  4. The baseball playing field
    "Fans filled the stands surrounding the diamond";
    - ball field, baseball field
     
  5. A parallelogram with four equal sides, having two acute and two obtuse angles
    "The kite had a diamond shape";
    - rhombus, rhomb
     
  6. A playing card in the minor suit that has one or more red rhombuses on it
    "he led a small diamond"; "diamonds were trumps"

Derived forms: diamonds

Type of: athletic field, atomic number 6, C, carbon, field, gem, jewel, parallelogram, parcel, parcel of land, piece of ground, piece of land, pitch [Brit], playing area, playing card, playing field, precious stone, tract, transparent gem

Part of: ballpark [N. Amer], minor suit, park

Encyclopedia: Diamond, Milton