All articles starting with D
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Deafblindness
Deafblindness, also called dual sensory loss or dual sensory impairment, is the combination of hearing and vision loss in one person; its most common genetic cause is Usher syndrome.
Deafheaven
Deafheaven, an American blackgaze band formed in San Francisco in 2010 by George Clarke and Kerry McCoy, blends black metal with shoegaze and post-rock on albums from Sunbather (2013) to Lonely People With Power (2025).
Deaflympics
The Deaflympics, also called the International Silent Games, are the elite international multisport Games for deaf athletes, first held in Paris in 1924 and run by the ICSD.
Deafness with labyrinthine aplasia, microtia, and microdontia
LAMM syndrome, also called congenital deafness with inner ear agenesis, microtia, and microdontia (OMIM 610706), is a rare autosomal recessive FGF3-related disorder combining profound congenital deafness, absent inner ear structures, small ears, and small widely spaced teeth.
Deafness-enamel hypoplasia-nail defects syndrome
Deafness-enamel hypoplasia-nail defects syndrome, or Heimler syndrome (OMIM 234580, 616617), is a rare autosomal recessive peroxisome biogenesis disorder (PEX1, PEX6, PEX26) causing sensorineural hearing loss, permanent-dentition enamel hypoplasia, nail defects, and retinal dystrophy in most reported cases.
Deafness-infertility syndrome
Deafness-infertility syndrome, also called chromosome 15q15.3 deletion syndrome, is a rare autosomal recessive condition combining mild to moderate hearing loss with male infertility from poorly moving sperm, caused by deletions of the STRC and CATSPER2 genes.
Deafness-intellectual disability syndrome, Martin-Probst type
Martin-Probst syndrome (ORPHA:85321, OMIM 300519) is a rare X-linked recessive disorder with congenital sensorineural hearing loss, intellectual disability, short stature, and facial dysmorphism; the proposed RAB40AL p.D59G cause has been reclassified as non-pathogenic.
DEAH-box helicase family
DEAH-box helicase family (DHX proteins), SF2 RNA helicases defined by the Asp-Glu-Ala-His motif; processive 3'-to-5' translocases driving splicing, ribosome biogenesis, and RNA export, distinct from DEAD-box helicases.
DEAH-box RNA helicases
DEAH-box RNA helicases are ATP-dependent enzymes that translocate along single-stranded RNA in the 3'→5' direction, remodeling RNA-protein complexes; the spliceosomal members Prp2, Prp16, Prp22, and Prp43 drive late stages of pre-mRNA splicing.
Deakin University
Deakin University is a public university in Victoria, Australia, established in 1974 as the state's fourth university and named after Prime Minister Alfred Deakin, with its founding campus near Geelong.
Deal or No Deal
Deal or No Deal is an Endemol game show format first aired in the Netherlands in 2002, in which contestants choose between a banker's cash offer and their sealed box; over 380 series in 84 territories.
Deal or No Deal (American game show)
Deal or No Deal (American game show): NBC suitcase game hosted by Howie Mandel, premiered December 19, 2005; 26 briefcases from $0.01 to $1,000,000, banker offers, CNBC 2018 revival, Deal or No Deal Island spinoff.
Deal or No Deal (British game show)
Deal or No Deal (British game show): Endemol format with 22 sealed boxes, 1p to £250,000, Banker offers, Channel 4 2005–2016 with Noel Edmonds (3,001 shows), revived on ITV1 in 2023 with Stephen Mulhern and a £100,000 top prize.
Deal or No Deal Island
Deal or No Deal Island is an NBC reality competition (2024–2025), hosted by Joe Manganiello, reimagining Deal or No Deal on the Banker's private island in Panama, where 13 contestants hunt briefcases worth over $200 million; canceled after two seasons.
Deal with the Devil
Deal with the Devil, or Faustian bargain, is the folkloric and literary motif of trading one's soul to a demonic being for knowledge, power, or wealth, exemplified by the Faust legend (1587 Historia, Marlowe 1588, Goethe 1808).
DEAL-COVID19 trial
DEAL-COVID19 (NCT05808231) was an Indonesian multicenter randomized trial testing quinine sulfate as add-on therapy for hospitalized adults with mild-to-moderate COVID-19; its published cohort of 25 patients showed no significant efficacy differences versus standard care.
Deal, Kent
Deal, Kent: seaside town on the east Kent coast near Dover, a Cinque Ports limb famous for its harbourless shingle-beach boats, Deal Castle, the 1957 pier, and the 1989 Royal Marines bombing.
deal.II
deal.II is an open-source C++ library for solving partial differential equations with adaptive finite elements, providing meshes, solvers, and scalable parallelism from laptops to supercomputers.
Dealer Tire Holdings, LLC
Dealer Tire Holdings, LLC, doing business as Dealer Tire LLC, is a Cleveland, Ohio tire distributor founded in 1999 that runs replacement tire programs for more than 20 automakers.
Dealer's choice
Dealer's choice is a poker format, not a single game, where the rotating dealer names each hand's variant; best with 5-7 players, a WSOP bracelet event since 2014, and also a craps term.
DealerPolicy
DealerPolicy was a Williston, Vermont insurtech offering an embedded auto insurance marketplace for car dealers, founded by Travis Fitzgerald and Jeff Mongeon and rebranded Polly in 2022.
Dealertrack Technologies
Dealertrack Technologies was a Lake Success, New York software company that ran large online credit application networks for auto dealers and lenders, acquired by Cox Automotive for about $4 billion in 2015.
Dealey Plaza
Dealey Plaza is a 3.1-acre Dallas park built 1934-1940 as the city's western gateway, named for publisher George Bannerman Dealey, and the site of President Kennedy's assassination on November 22, 1963; a National Historic Landmark District restored to its 1963 appearance.
DealShare
DealShare was an Indian social-commerce startup founded in Jaipur in 2018 that sold groceries through WhatsApp group buying, raised $393 million, and faced wind-down by 2026.
Deamination
Deamination removes an amino group from a molecule. In amino acid catabolism it releases ammonia and an alpha-keto acid via transamination and glutamate dehydrogenase; in DNA it converts cytosine to uracil, causing mutations.
Deaminative alkylation
Deaminative alkylation is a set of synthetic methods in which amines replace alkyl halides as alkylating reagents, forming C–C and C–X bonds under mild conditions.
Deaminative functionalization
Deaminative functionalization is a strategy in organic synthesis in which the carbon–nitrogen bonds of abundant amines are cleaved and replaced with new carbon–carbon or carbon–heteroatom bonds, useful for late-stage functionalization.
Deaminative functionalization via Katritzky pyridinium salts
Deaminative functionalization via Katritzky pyridinium salts converts primary amines into 2,4,6-triphenylpyridinium salts whose reduction cleaves the C–N bond, releasing alkyl radicals that form new bonds.
Dean (education)
Dean (education): head of a college, school, or division in a university, from Latin decanus. Reports to the provost; oversees curriculum, faculty, budget, accreditation, and fundraising; a middle-level leadership role with rising turnover.
Dean (South Korean singer)
Dean (딘), born Kwon Hyuk in 1992, is a South Korean alternative R&B singer-songwriter and producer, also known as Deanfluenza. Debuted 2015 with "I'm Not Sorry" and "Pour Up"; EP 130 mood: TRBL; CEO of you.will.knovv; returned in 2023 with "DIE 4 YOU".