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Diamond maser
A diamond maser is a microwave oscillator or amplifier using nitrogen-vacancy defect centers in diamond, first shown to operate continuously at room temperature and ambient pressure in 2018.
Diamond mining in Angola
Diamond mining in Angola is the extraction of diamonds, begun in 1912 and now led by the state company ENDIAMA, concentrated in the northeastern Lunda provinces.
Diamond Multimedia
Diamond Multimedia, also known as Diamond Computer Systems, was a California maker of PC peripherals, including Stealth graphics cards, Supra modems, and the Rio MP3 player, acquired by S3 in 1999.
Diamond nanophotonic cavities for NV centers
Diamond nanophotonic cavities for NV centers are photonic-crystal and microcavity structures in diamond that concentrate optical fields around a nitrogen-vacancy center, boosting its spin-photon coupling toward scalable solid-state quantum networks.
Diamond nanophotonic quantum network
A diamond nanophotonic quantum network is a quantum network whose nodes are color-center qubits, such as NV and SiV centers, embedded in nanoscale diamond optical structures connected by fiber.
Diamond norm
The diamond norm, also called the completely bounded trace norm, is a norm on linear maps introduced by Alexei Kitaev to measure the worst-case distinguishability of two quantum channels.
Diamond Oil Pipeline (Memphis–Byhalia)
The Diamond Oil Pipeline is a 440-mile crude oil pipeline from Cushing, Oklahoma, to Valero's Memphis refinery, owned by Plains All American and Valero with a capacity of 200,000 barrels per day.
Diamond Peak
Diamond Peak names several US mountains: a 10,619-ft Eureka County, Nevada high point in the Diamond Mountains, the Diamond Peak ski resort at Incline Village, Lake Tahoe, and peaks in Lassen park, Oregon, and Idaho.
Diamond photonics
Diamond photonics builds optical devices, from waveguides to integrated circuits, out of single-crystal diamond, whose color centers serve as single-photon sources, spin qubits, and quantum memories.
Diamond Platnumz
Diamond Platnumz (Naseeb Abdul Juma Issack, born 1989) is a Tanzanian bongo flava superstar from Tandale, Dar es Salaam, founder of WCB Wasafi, first sub-Saharan artist to one billion YouTube views, and a 2015 MTV EMA winner.
Diamond Princess (ship)
Diamond Princess is a Grand-class cruise ship operated by Princess Cruises, built by Mitsubishi Heavy Industries in Nagasaki, Japan, in 2004 and known for the 2020 COVID-19 outbreak during quarantine at Yokohama.
Diamond rain
Diamond rain is the hypothesized precipitation of solid diamond crystals through the mantles of ice giants like Uranus and Neptune, an idea proposed by Marvin Ross in 1981 and tested in laboratory experiments since.
Diamond Rio
Diamond Rio is an American country band formed in Nashville in 1989 from the Tennessee River Boys, signed to Arista Nashville in 1990. Its 1991 debut single "Meet in the Middle" was the first by a country group to hit No. 1; six Vocal Group of the Year awards and a 2011 Grammy for The Reason.
Diamond Rush
Diamond Rush (Gameloft, 2006) is a Java mobile action-puzzle game where an explorer collects diamonds in Angkor Wat, Bavaria, and Tibet temples while dodging boulders; distinct from Famobi's match-3 and REANIM's Windows games of the same name.
Diamond semiconductor
A diamond semiconductor is an electronic device that uses synthetic diamond as its semiconducting layer, valued for its ultrawide 5.47 eV bandgap, extreme thermal conductivity, and nitrogen-vacancy quantum sensors.
Diamond Shamrock
Diamond Shamrock was an American oil refining and marketing company formed by the 1967 merger of Diamond Alkali and Shamrock Oil and Gas; Valero absorbed it in 2001.
Diamond Stone
Diamond Stone (born 1997) is an American center from Milwaukee who starred briefly at Maryland, was drafted 40th overall in 2016 by the Pelicans, played 7 NBA games for the Clippers, and spent his career in the G League.
Diamond Sutra
The Diamond Sutra, or Vajracchedikā Prajñāpāramitā Sūtra, is a short Mahayana Buddhist scripture in which the Buddha teaches Subhūti to abide nowhere and act without grasping.
Diamond transistor
A diamond transistor is a field-effect transistor whose channel is made of synthetic diamond, an ultra-wide-bandgap semiconductor suited to high power, high temperatures, and radiation; it remains at the research and early-commercialization stage.
Diamond turning
Diamond turning, formally single-point diamond turning (SPDT), is a precision machining process in which a lathe fitted with a diamond-tipped tool cuts optical-quality surfaces directly, without a subsequent polishing step.
Diamond v. Chakrabarty
Diamond v. Chakrabarty, 447 U.S. 303 (1980), the 5-4 Supreme Court case holding that Ananda Chakrabarty's genetically engineered oil-eating Pseudomonas bacterium is patentable subject matter under 35 U.S.C. § 101 as a manufacture or composition of matter, founding modern biotechnology patent law.
Diamond wire sawing
Diamond wire sawing is a wafer-slicing process in which steel wire coated with fixed diamond abrasive cuts hard, brittle materials such as silicon, silicon carbide, and sapphire into wafers.
Diamond-copper composite
The diamond-copper composite, also called copper-diamond composite, is a metal-matrix composite of diamond particles in copper, combining diamond's high thermal conductivity and low expansion with copper's processability.
Diamond-like carbon
Diamond-like carbon (DLC) is an amorphous carbon coating whose diamond-like sp³ bonding gives high hardness (up to 3,000 HV) and low friction, deposited on tools, engine components, razor blades, and implants.
Diamond-like carbon coating
Diamond-like carbon (DLC) coating is a thin amorphous carbon film mixing diamond-like sp³ and graphite-like sp² bonds, combining hardness, low friction, and wear resistance in applications from automotive parts to razor blades.
Diamond–Blackfan anemia
Diamond–Blackfan anemia (DBA, DBA syndrome) is a rare inherited ribosomopathy causing infantile macrocytic anemia, malformations, and cancer predisposition, mostly from ribosomal protein gene mutations like RPS19; treated with steroids, transfusions, and HSCT.
Diamondback Energy
Diamondback Energy, Inc. is an American oil and gas company producing from the Permian Basin, the third-largest producer there after its 2024 merger with Endeavor Energy Resources.
Diamondback terrapin
Diamondback terrapin (Malaclemys terrapin), the only North American turtle living in brackish estuarine waters, ranges along Atlantic and Gulf coasts from Massachusetts to Texas; IUCN vulnerable, under ESA review since 2026, threatened chiefly by crab trap drowning.
Diamonds (Rihanna song)
Diamonds (Rihanna song): 2012 midtempo pop ballad written by Sia, produced by Benny Blanco and Stargate, lead single of Unapologetic; 12th Rihanna Hot 100 No. 1 for three weeks, nearly once recorded by Eminem.
Diamonds & Rust (song)
Diamonds & Rust is a 1975 folk song written by Joan Baez about Bob Dylan, released April 1975 on A&M, a Top 35 US hit, later covered as a heavy metal staple by Judas Priest on Sin After Sin (1977).