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Definition of diamond
(Entry 1 of 4)
1a : native crystalline carbon that is the hardest known mineral, that is usually nearly colorless, that when transparent and free from flaws is highly valued as a precious stone, and that is used industrially especially as an abrasive also : a piece of this substance
b : crystallized carbon produced artificially
2 : something that resembles a diamond (as in brilliance, value, or fine quality)
3 : a square or rhombus-shaped figure usually oriented with the long diagonal vertical
4a : a playing card marked with a stylized figure of a red diamond
b diamonds plural in form but singular or plural in construction : the suit comprising cards marked with diamonds
5 : a baseball infield also : the entire playing field
diamond
verbdiamonded; diamonding; diamonds
Definition of diamond (Entry 2 of 4)
: to adorn with or as if with diamonds
diamond
adjectiveDefinition of diamond (Entry 3 of 4)
: of, relating to, or being a 60th or 75th anniversary or its celebration
diamond jubilee
Diamond
biographical nameDefinition of Diamond (Entry 4 of 4)
Peter A(rthur) 1940– American economist
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Time Traveler for diamond
The first known use of diamond was in the 14th century
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