Diamond Meaning

/ˈdaɪ.ə.mənd/
A1

Definition, CEFR level A1, pronunciation, examples, and quiz.

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nounA 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.

nounA gemstone made from this mineral.

Our baseball diamond is very small.
Set a diamond in a platinum mounting.
The hardness of diamond is such that it can cut glass.
Synonyms:
Antonyms:
None
CEFR Practice Quiz
She received a sparkling ____ ring for their anniversary.
CEFR Practice Quiz (Alternate)
Our baseball ____ is very small.

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-)? Proto-Indo-European *demh₂-der. Ancient Greek δαμνάω (damnáō)? Ancient Greek ἀδάμας (adámas)der. Latin adamāsder. Late Latin diamās Old French diamantbor. Middle English dyamaunt English diamond 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”).

"Although there are dozens of different types of gems, among the best known and most important are diamond, ruby and sapphire, emerald and other gem forms of the mineral beryl, chrysoberyl, tanzanite, tsavorite, topaz and jade." — 2012 March 26, Lee A. Groat, “Gemstones”, in American Scientist, volume 100, number 2, archived from the original on 14 Jun 2012, page 128:
"she is wearing small diamond studs in her earlobes. the kind u wear if u’re a modest person & u don’t want to wear anything that could catch on stuff, or be a health risk in a hospital – but u’re still someone who cares." — 2017, Nick Lake, Satellite, London: Hodder Children’s Books, →ISBN, page 259:
"Elphingston. Pearl a Chevron Diamond between three Boars Heads Eraz'd Ruby, arm'd of the first. / Eymouth. Diamond a Lyon Rampant Pearl, on a Canton of the 2d, a Cross Ruby." — 1720, Francis Nichols, Rudiments of Honour, page 296:
"The Field is Ruby, on a Bend Topaz, three Martlets Diamond. The Armes of the most Noble and Puissant Lord, Edward Brabazon, Earl of Meath, and Baron of Atherdee in the Kingdom of Ireland. His Lordship's Atchievements are Quarterly of sixteen Coats. 1. Brabazon, as above. 2. Diamond, on a Chevron between three Pickaxes Pearl, as many Mullets Ruby, by the Name of Mosley. 3. Saphire, ten Bezants, 4, 3, 2, 1, by the Bisset." — 1726, John Guillim, The Banner Display'd; Or, an Abridgment of Guillim, page 504:
"Pearl, an Eagle, Diamond, between three Crosses Patee, Ruby, for Morrys." — 1754, John Lodge, The Peerage of Ireland; Or, a Genealogical History of the ..., page 71:

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CEFR Practice Quiz
She received a sparkling ____ ring for their anniversary.
CEFR Practice Quiz (Alternate)
Our baseball ____ is very small.

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