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Doubly labeled water
Doubly labeled water (DLW) is an isotope tracer method measuring total energy expenditure in free-living people, regarded as the gold standard since the first human study in 1982.
Doubly linked list
A doubly linked list is a linked data structure whose nodes hold pointers to both the next and previous elements, allowing backward traversal and constant-time deletion.
Doubly magic nucleus
A doubly magic nucleus is an atomic nucleus in which both protons and neutrons have magic numbers, forming closed shells; examples include helium-4, calcium-48, and lead-208.
Doubly robust estimation
Doubly robust estimation is a statistical method for estimating causal effects or means with missing data, remaining unbiased if either the outcome model or the propensity model is correct.
Doubly special relativity
Doubly special relativity, also called deformed special relativity, is a class of proposed modifications of special relativity with two invariant scales: the speed of light and the Planck energy.
Doubly stochastic matrix
A doubly stochastic matrix, also called a bistochastic matrix, is a square matrix of nonnegative numbers in which every row and every column sums to 1.
Doubly-fed induction generator
The doubly-fed induction generator (DFIG) is a wind turbine generator whose rotor is fed through a partially rated converter, allowing variable-speed operation at low converter cost.
Doubravka of Bohemia
Doubravka of Bohemia (Dobrawa, Dąbrówka), Přemyslid princess born about 940/945, died probably 977; daughter of Boleslav I, wife of Mieszko I (m. 965), whose 966 baptism began the Christianization of Poland; mother of Bolesław the Brave.
Doubs
Doubs (department 25) is an eastern French department in Bourgogne-Franche-Comté with prefecture Besançon, 547,163 inhabitants in 2023, a 170 km Swiss border, PSA Sochaux industry, and Comté cheese.
Doubt (2008 film)
Doubt (2008 film), John Patrick Shanley's adaptation of his play Doubt: A Parable, stars Meryl Streep, Philip Seymour Hoffman, Amy Adams, and Viola Davis as a 1964 Bronx nun suspecting a priest; five Oscar nominations.
Doubt (South Korean TV series)
Doubt is a 2024 South Korean psychological thriller series. It follows a veteran profiler who discovers his teenage daughter may be involved in a murder case.
Doubt: A Parable
Doubt: A Parable is a 2004 play by John Patrick Shanley about a Bronx Catholic school principal who accuses a priest of misconduct on unconfirmed evidence.
Doubting Thomas
Doubting Thomas is the nickname of Thomas the Apostle, who refused to believe Jesus had risen until he could see and touch his wounds in John 20.
Doubutsu Sentai Zyuohger (動物戦隊ジュウオウジャー)
Doubutsu Sentai Zyuohger (動物戦隊ジュウオウジャー), the 40th Super Sentai series, aired on TV Asahi 2016–2017 in 48 episodes with an animal motif, a human zoologist plus four Zyuman heroes, and the series' first red-blue-yellow-green-white lineup.
Doucai
Doucai is a Chinese porcelain decoration technique combining underglaze cobalt blue outlines with overglaze enamels, fired twice; created at Jingdezhen in the Xuande reign and reaching its peak under the Chenghua emperor.
Douche
Douche: rinsing the inside of the vagina with water, vinegar, baking soda, or iodine solutions. Practiced by 29-92% of women worldwide, mainly for cleanliness; linked to bacterial vaginosis, PID, and preterm birth; not recommended by health authorities.
Doudart de Lagree
Ernest Doudart de Lagree was a French naval officer and diplomat who established the French protectorate over Cambodia and led the Mekong Exploration Commission of 1866–1868.
Doudna (supercomputer)
Doudna is the next flagship supercomputer of the National Energy Research Scientific Computing Center at Lawrence Berkeley National Laboratory, announced in 2025, built by Dell and NVIDIA, and named for Nobel laureate Jennifer Doudna.
Doug (TV series)
Doug (Nickelodeon 1991–1994; Disney's Doug on ABC 1996–1999), also Brand Spanking New Doug, is a Jim Jinkins-created Nicktoon about anxious kid Doug Funnie of Bluffington, with Quailman fantasies, made by Jumbo Pictures, later bought by Disney.
Doug Aldrich
Doug Aldrich (Douglas Layng Aldrich), American hard rock guitarist born 1964 in Raleigh, North Carolina; played with Lion, Dio, Whitesnake, and The Dead Daisies since 2016, with Suhr Aldrich pickups and Blackstar Ruby signature amps.
Doug Anakin
Doug Anakin was a Canadian bobsledder and luger who won gold in the four-man bobsleigh at the 1964 Innsbruck Olympics, Canada's only gold that year, then promoted luge in Canada.
Doug Baldwin
Doug Baldwin Jr., former Seattle Seahawks wide receiver (2011-2018), undrafted from Stanford, two-time Pro Bowler and Super Bowl XLVIII champion; 493 catches, 6,563 yards, 49 touchdowns, second in franchise TD history behind Steve Largent.
Doug Bankson
Doug Bankson is an American Republican politician and pastor who represents District 39 in the Florida House of Representatives, elected in 2022 after serving as an Apopka city commissioner.
Doug Basler
Doug Basler is an American politician and the Republican nominee for U.S. House in Washington's 9th Congressional District, advancing from the August 4, 2026, top-two primary.
Doug Batchelor
Doug Batchelor (born 1957) is an American Seventh-day Adventist evangelist, author of The Richest Caveman, and president of Amazing Facts International since 1994, hosting Amazing Facts with Doug Batchelor and Bible Answers Live.
Doug Beck
Doug Beck is an American Democratic politician and Missouri state senator, first elected in 2020 and chosen by his peers in 2024 as Senate Minority Floor Leader.
Doug Benson
Doug Benson (born 1962, San Diego) is an American stand-up comedian and podcaster known for marijuana humor, Super High Me, Last Comic Standing season 5, Doug Loves Movies, and Getting Doug with High.
Doug Blubaugh
Doug Blubaugh was an American freestyle wrestler who won the welterweight gold medal at the 1960 Summer Olympics in Rome and later coached at Indiana University.
Doug Bowser
Doug Bowser, American business executive, President and COO of Nintendo of America 2019–2025 after P&G and Electronic Arts; led the Switch era, launched Switch 2, retired December 31, 2025, succeeded by Devon Pritchard, later a Hasbro director.
Doug Bradley
Doug Bradley (born 1954, Liverpool) is the English actor who played Pinhead, leader of the Cenobites, in eight Hellraiser films (1987-2005), plus Captain Elliot Spencer, Nightbreed's Lylesberg, and the Spinechillers audiobook series.