All articles starting with D
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DECT
DECT (Digital Enhanced Cordless Telecommunications) is an ETSI wireless standard behind most cordless telephones, using a dedicated 1.9 GHz band and extending to smart home and IoT devices.
Ded Moroz (Дед Мороз)
Ded Moroz (Дед Мороз, Grandfather Frost), the Russian New Year gift-bringer with granddaughter Snegurochka and a three-horse sleigh; banned in 1928, revived by Stalin in 1935, based at Veliky Ustyug since 1998.
Dedan Kimathi
Dedan Kimathi (Dedan Kimathi Waciũri, 1920-1957), Kenyan rebel leader of the Kenya Land and Freedom Army in the Mau Mau uprising; self-proclaimed field marshal, captured October 1956, hanged 18 February 1957; commemorated by a 2007 Nairobi statue.
Dede Gardner
Dede Gardner (born 1967) is an American film producer and co-president of Brad Pitt's Plan B Entertainment. Two-time Best Picture Oscar winner (12 Years a Slave, Moonlight), first woman to win the producing Oscar twice, and two-time Emmy winner (The Normal Heart, Adolescence).
Dede Westbrook
Dede Westbrook, American NFL wide receiver from Oklahoma, 2016 Biletnikoff Award winner and 2017 fourth-round pick (110th overall) of the Jacksonville Jaguars; later Minnesota Vikings; 170 career receptions, 1,788 yards.
Dededo
Dededo (Dedidu in CHamoru) is a village of about 30 square miles in northwestern Guam, home to roughly a third of the island's population and anchored by Micronesia Mall.
Dedee Pfeiffer
Dedee Pfeiffer (Dorothy Diane Pfeiffer), American actress born 1964 in Midway City, California, younger sister of Michelle Pfeiffer; known for Cybill, For Your Love, Vamp, and Big Sky's Denise Brisbane.
Dedekind cut
A Dedekind cut, also called a Dedekind section, is a partition of the rational numbers into two sets marking a real number, devised by Richard Dedekind in 1858.
Dedekind domain
A Dedekind domain, also called a Dedekind ring, is a Noetherian, integrally closed ring, named for Richard Dedekind, in which every nonzero ideal factors uniquely into prime ideals.
Dedekind zeta function
The Dedekind zeta function ζK(s) of a number field K is the analytic function summed over its integral ideals, generalizing the Riemann zeta function, the case K = Q.
Dedh Ishqiya (देढ़ इश्क़िया)
Dedh Ishqiya (डेढ़ इश्किया) is a 2014 Hindi black comedy directed by Abhishek Chaubey, the sequel to Ishqiya, starring Naseeruddin Shah, Madhuri Dixit, Arshad Warsi, and Huma Qureshi.
Dedham, Massachusetts
Dedham, Massachusetts: Norfolk County town settled 1635, incorporated 1636, shire town since 1793. Known for Mother Brook canal, the Fairbanks House, and the nation's first tax-supported public school (1644); population about 25,400.
Dedi Mulyadi
Dedi Mulyadi, known to constituents as Kang Dedi, is an Indonesian Gerindra Party politician who has served as Governor of West Java since February 2025.
Dedicated short-range communications
Dedicated short-range communications (DSRC) is a 5.9 GHz wireless technology for vehicle-to-vehicle, vehicle-to-infrastructure, and pedestrian safety messaging, based on IEEE 802.11p Wi-Fi in the United States.
Dedication of the Templo Mayor expansion of Ahuitzotl
The dedication of the Templo Mayor expansion of Ahuitzotl (Dedicación del Templo Mayor de Ahuítzotl) was a four-day Aztec consecration ceremony at Tenochtitlan in 1487, featuring mass sacrifice of war captives.
Dedication of the Templo Mayor of 1487
The Dedication of the Templo Mayor of 1487 (dedicación del Templo Mayor de 1487) consecrated Tenochtitlan's enlarged Great Temple under Ahuitzotl, with mass sacrifice of war captives.
Dedication of Travancore to Padmanabhaswamy
The dedication of Travancore to Padmanabhaswamy, known in Malayalam as Thrippadidanam (തൃപ്പാടിദാനം), was Maharaja Marthanda Varma's 1750 surrender of his kingdom to the deity Padmanabha, after which he ruled as Padmanabha Dasa.
Dedicator of cytokinesis
Dedicator of cytokinesis (DOCK) proteins, also called Dock180-family proteins, are 11 human atypical guanine nucleotide exchange factors in four subfamilies (A–D) that activate CDC42 and RAC1 via DHR2 catalytic domains with an invariant nucleotide sensor valine.
Dedicatory epigram
A dedicatory epigram is a short verse inscription recording an object's dedication to a god, naming the dedicator and occasion, and one of Greek epigram's oldest branches.
Dedifferentiation
Dedifferentiation: differentiated cells revert to a less differentiated state within their own lineage and regain proliferative capacity. Key mechanism of salamander limb, zebrafish heart, and Schwann cell regeneration; distinct from transdifferentiation and reprogramming; can also drive pathology such as chondrocyte loss in osteoarthritis.
Dedoose
Dedoose is a cloud-based application for managing, coding, analyzing, and visualizing qualitative and mixed methods research data, developed by UCLA researchers and known for real-time collaborative team coding.
Dedoplistskaro Biosphere Reserve
Dedoplistskaro Biosphere Reserve (დედოფლისწყაროს ბიოსფერული რეზერვატი), Georgia's first UNESCO biosphere reserve, designated June 2022 in Kakheti near Azerbaijan; arid steppe and semi-desert around Takhti-Tepha mud volcanoes, leopard and gazelle habitat, GAZELLE dryland restoration project.
Dedovshchina
Dedovshchina (дедовщина, "rule of the grandfathers") is the informal hazing hierarchy in Soviet and Russian armed forces where second-year conscripts (dedy) abuse junior recruits; traced to 1967, documented by HRW, still present but reduced.
Dedra Meero
Dedra Meero is a fictional Imperial Security Bureau supervisor in Andor (2022–2025), invented for the series and portrayed by Denise Gough; she hunts the rebel Axis, orders the Ghorman Massacre, and ends imprisoned.
Dedre Gentner
Dedre Gentner is an American cognitive and developmental psychologist, the Alice Gabrielle Twight Professor at Northwestern University, known for structure-mapping theory of analogy and the career of metaphor account of metaphor processing.
Dedrone
Dedrone is an airspace security company founded in Germany in 2014 that detects, tracks, and identifies unauthorized drones for airports, prisons, and defense clients; Axon acquired it in October 2024.
Dedryck Boyata
Dedryck Boyata (Anga Dedryck Boyata), born 1990 in Brussels, Belgian centre-back, 31 caps for Belgium. Played for Manchester City, Celtic, Hertha BSC, and Club Brugge; retired 12 August 2025, now Belgium U21 assistant coach.
Dedublüman
Dedublüman, also written Dedüblüman, is a six-member Turkish rock band founded in 2010 in Trabzon and based in Istanbul, blending rock with ud, clarinet, and yaylı tambur.
Deductible
A deductible is the amount an insured person owes toward covered losses before the insurer pays, applied annually in health insurance and per claim in auto and homeowners coverage.
Deduction theorem
The deduction theorem is a metatheorem of logic stating that if ψ is derivable from Γ plus assumption φ, then φ → ψ is derivable from Γ alone.