Added 9 October 2026
diamond
/ˈdaɪ.ə.mənd/ noun
In Latin: adamās Wiktionary
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about diamond at Wordnik → Where our words come from →
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A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.
The saw is coated with diamond.
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A gemstone made from this mineral.
The dozen loose diamonds sparkled in the light.
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A diamond ring.
What a beautiful engagement diamond.
adjective
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Made of, or containing diamond, a diamond or diamonds.
He gave her diamond earrings.
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Of, relating to, or being a sixtieth anniversary.
Today is their diamond wedding anniversary.
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Of, relating to, or being a seventy-fifth anniversary.
Today is their diamond wedding anniversary.
verb
- To adorn with or as if with diamonds.
Origin
From Middle English dyamaunt, from Old French diamant, from Late Latin diamās, from Latin adamās, from Ancient Greek ἀδάμᾱς (adámās, “diamond”). Doublet of adamant. The printing sense is a calque of Dutch diamant, used by Dirck Voskens who first cut it around 1700; compare pearl, ruby (“size of type between pearl and nonpareil”).
From Wiktionary, via Kaikki.org (CC BY-SA)