See also: Diamond
From Middle English dyamaunt, from Old French diamant, from Late Latin diamas, from Latin adamas, from Ancient Greek ἀδάμας (adámas, “diamond”).
diamond (countable and uncountable, plural diamonds)
- (uncountable) 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.
- A gemstone made from this mineral.
- The dozen loose diamonds sparkled in the light.
- 2012 March 1, Lee A. Groat, “Gemstones”, in American Scientist, volume 100, number 2, archived from the original on 14 June 2012, page 128:
- 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.
- A ring containing a diamond.
- What a beautiful engagement diamond.
- A very pale blue color.
- Something that resembles a diamond.
- (geometry) A rhombus, especially when oriented so that its longer axis is vertical.
- (geometry) The polyiamond made up of two triangles.
- (baseball) The entire field of play used in the game.
- (baseball) The infield of a baseball field.
- The teams met on the diamond.
- (card games) A card of the diamonds suit.
- I have only one diamond in my hand.
- (printing, uncountable, dated) A size of type, standardised as 4 1⁄2 point.
- (gemstone): sparkler (informal)
- (ring): diamond ring
- (something that resembles a diamond): adamant
- (geometry: rhombus): lozenge, rhomb, rhombus
- (geometry: polyiamond): 2-iamond
- (baseball: entire baseball field): ball field, baseball field
- (baseball: infield of a baseball field): baseball diamond, infield
- (baseball: infield of a baseball field): outfield
- accent diamond
- American diamond
- baseball diamond
- black diamond
- blood diamond
- Bristol diamond
- chocolate diamond
- deadly diamond of death
- diamond accent
- diamond anniversary
- diamond anvil cell
- diamondback moth (Plutella xylostella)
- diamond beetle (Chrysolopus spectabilis)
- diamond bird (Pardalotus punctatus)
- diamond bracket
- diamond carry
- diamond cross
- diamond crossing
- diamond crossover
- diamond cut diamond
- diamond cutter
- diamond dove (Geopelia cuneata)
- diamond duck
- diamond dust
- diamond firetail (Stagonopleura guttata)
- diamond frame
- diamond geezer
- diamond grass (Calamagrostis brachyathera)
- diamond hands
- diamond in the rough
- diamond jubilee
- diamond junction
- diamond lane
- diamond marimba
- diamond mortar
- diamond mullet (Planiliza alata)
- diamond number
- diamond paste
- diamond planet
- diamond plate
- diamond poem
- diamond problem
- diamond python (Morelia spilota spilota)
- diamond ring effect
- diamonds are a girl's best friend
- diamonds are forever
- diamond saw
- diamond-square algorithm
- diamond turbot (Hypsopsetta guttulata)
- diamond twill
- Diamond Valley
- diamond-water paradox
- diamond wedding
- diamond wheel
- diamond willow (Salix spp.)
- dreaded diamond
- fire diamond
- industrial diamond
- Killiecrankie diamond
- Mach diamond
- pink diamond
- poor man's diamond
- pressure makes diamonds
- rose diamond
- rough diamond
- shock diamond
- table diamond, table-diamond
- thrust diamond
- tidal diamond
diamond ring — see diamond ring
something that resembles a diamond
very pale blue color/colour
rhombus — see rhombus
baseball: entire baseball field
baseball: infield of a baseball field
card games: card of the diamonds suit
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
diamond (not comparable)
- made of, or containing diamond, a diamond or diamonds.
- Synonym: diamantine
- He gave her diamond earrings.
- of, relating to, or being a sixtieth anniversary.
- Today is their diamond wedding anniversary.
- of, relating to, or being a seventy-fifth anniversary.
- Today is their diamond wedding anniversary.
- (slang) First-rate; excellent.
- He's a diamond geezer.
made of, or containing diamond
of, relating to, or being a sixtieth anniversary
of, relating to, or being a seventy-fifth anniversary
diamond (third-person singular simple present diamonds, present participle diamonding, simple past and past participle diamonded)
- to adorn with or as if with diamonds
to adorn with diamonds
Borrowed from Dutch diamant, used by Dirck Voskens who first cut it around 1700, presumably naming it by analogy with the larger Perl.
- David Barthelmy (1997–2023), “Diamond”, in Webmineral Mineralogy Database.
- “diamond”, in Mindat.org, Hudson Institute of Mineralogy, 2000–2023.