English Lexicon

Diamond

/ˈdaɪ.mənd/
nounCEFR B2 (Upper)Top #800 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A precious stone consisting of a clear and colorless crystalline form of pure carbon, the hardest naturally occurring substance.

    "She wore a stunning diamond ring that sparkled in the sunlight."
  2. 2

    A shape or figure with four equal sides and angles, typically used in geometry.

    "The artist drew a diamond shape in the center of the canvas."

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Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The word 'diamond' comes from the Old French 'diamant', which in turn derives from the Latin 'diamantem', and ultimately from the Greek 'adamas', meaning 'unconquerable' or 'invincible'. The term has evolved to refer specifically to the precious gemstone known for its hardness and brilliance.

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