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Redif
The Redif (ردیف) was the reserve army of the Ottoman Empire, created by statute on 8 July 1834 to support the new regular army and train men in their home regions.
Redistribution (Australia)
Redistribution (Australia): periodic redrawing of federal electorate boundaries and names under Part IV of the Commonwealth Electoral Act 1918, run independently by the AEC's Redistribution Committee and augmented Electoral Commission, triggered by entitlement changes, unequal enrolments, or seven years elapsed.
Redistribution of income and wealth
Redistribution of income and wealth, also called income redistribution, is the change in resource distribution produced by government taxes and transfers, measured with the Gini coefficient.
Redistricting
Redistricting is the once-a-decade redrawing of U.S. congressional and state legislative district boundaries after the census, following apportionment of 435 House seats; shaped by one-person-one-vote cases, the Voting Rights Act, gerrymandering, and independent commissions.
Redlining
Redlining is the practice of denying or overpricing mortgages, insurance, and other services in neighborhoods deemed risky based on racial composition or income rather than individual creditworthiness, named for 1930s federal maps.
Redmile Biopharma Investments
Redmile Biopharma Investments is a series of three Delaware biotechnology venture capital funds, raised between 2015 and 2021 and managed by the San Francisco firm Redmile Group.
Redmile Growth Investments
Redmile Growth Investments is a Delaware venture capital fund based in San Francisco and managed by the healthcare investment firm Redmile Group, reporting $122 million sold in a 2021 offering.
Redneck
Redneck: slang, usually derogatory, term for a poor rural white Southerner, from the sunburned necks of field laborers; first recorded 1830 (Presbyterians, Fayetteville NC); later a coalfield badge of class solidarity and a reclaimed identity.
Redneck Revolt
Redneck Revolt, also tied to the John Brown Gun Club, is a US left-wing, pro-gun, anti-racist community defense network founded around 2009 and rebranded 2016, known for red bandanas, firearms training, and counter-protests against the far right.
Redshirt (college sports)
Redshirt (college sports): an NCAA athlete held out of varsity competition for a year to extend eligibility under the Five-Year Rule (four seasons in five years); football allowed four games per redshirt year, and the June 2026 age-based eligibility model eliminated redshirt rules.
Redskin
Redskin is an English slur for a Native American; originally a self-referential term (1769, via French peau-rouge), it became pejorative, drew trademark cancellations against Washington's NFL team, and was retired by the franchise in 2020.
Redstone Arsenal
Redstone Arsenal, a ~38,000-acre U.S. Army installation near Huntsville, Alabama, hosts 75+ tenant agencies including AMCOM, AMC, SMDC, MDA, NASA Marshall, and the FBI; ~45,500 workers, $36.2 billion impact.
Redstone Digital
Redstone Digital, also known as Redstone VC, is a Berlin-based early-stage venture capital firm founded in 2014 by Michael Brehm and Samuli Sirén, with roughly €600 million under management.
Reduced affect display
Reduced affect display, also called blunted affect or emotional blunting, is diminished outward emotional expression through face, voice, and gestures. It affects about 30% of people with schizophrenia, is a negative symptom, and is rated with instruments such as the BNSS, CAINS, and SANS.
Reductio ad absurdum
Reductio ad absurdum, or proof by contradiction, is a proof method that assumes a statement's negation and derives a contradiction, used from Greek antiquity onward and restricted for existence proofs by intuitionism.
Reductio ad Hitlerum
Reductio ad Hitlerum (argumentum ad Hitlerum, playing the Nazi card): logical fallacy of rejecting a view because Hitler or the Nazis held it; coined by Leo Strauss in Natural Right and History (1953).
Reduction of the princes (xuefan)
Reduction of the princes (xuefan, 削藩) was the Jianwen emperor's policy of demoting and abolishing Ming imperial princes, which provoked the Prince of Yan's successful rebellion.
Reduplication
Reduplication, also called doubling, is the repetition of all or part of a word for grammatical or semantic purposes. Unlike ordinary repetition, it is grammatically determined; common functions include plurality, intensity, diminution, and word-class change.
Redwood Materials
Redwood Materials is an American battery recycling and materials company founded in 2017 by Tesla co-founder JB Straubel, based in Carson City, Nevada, and valued above $6 billion.
Redwood Software
Redwood Software is a Dutch cloud business and IT process automation company founded in 1993 by Tijl Vuyk and fellow Oracle employees, known for its RunMyJobs workload automation platform.
Reebonz
Reebonz was a Singapore-based luxury e-commerce platform selling authenticated new and pre-owned goods, founded in 2009, listed on Nasdaq in 2018, and liquidated in 2021.
Reece Broadhurst
Reece Broadhurst (born 1995) is a British clothing entrepreneur, co-founder and chief executive of ARNE, the Warrington fashion brand he started with his brother Ryan in 2018.
Reed C. O'Connor
Reed C. O'Connor, born Reed Charles O'Connor in 1965, is an American jurist serving as a United States district judge for the Northern District of Texas since 2007.
Reed College
Reed College, founded 1908 in Portland, Oregon, is an independent liberal arts college known for its humanities core, senior thesis, conference teaching, 1995 U.S. News rankings boycott, and Reed Promise tuition-free aid.
Reef Pass Investors
Reef Pass Investors is a Greenwich, Connecticut private investment firm founded by Robert Brown and Dan Millen that builds serial acquisition platforms in the lower middle market.
REEF Technology
REEF Technology Inc. is a Miami-based company that leases parking lots and repurposes them as neighborhood hubs for cloud kitchens, last-mile logistics, clinics, and micro-retail.
Reem Al Hashimy (ريم بنت إبراهيم الهاشمي)
Reem bint Ebrahim Al Hashimy (ريم بنت إبراهيم الهاشمي), born 1978, is the UAE Minister of State for International Cooperation since 2016 who led the Expo 2020 Dubai bid, runs Expo City Dubai, and directs UAE Gaza aid diplomacy.
Reem Alabali-Radovan
Reem Alabali-Radovan, born 1990, is a German SPD politician who has served as Federal Minister for Economic Cooperation and Development in the Merz cabinet since 2025.
Reem Alsalem
Reem Alsalem, Jordanian UN Special Rapporteur on violence against women and girls since 1 August 2021; former UNHCR official; known for climate-crisis, sex-based-violence and mothers reports and gender-identity controversies.
Reena Raggi
Reena Raggi, born 1951, is a senior United States circuit judge of the Second Circuit, appointed by George W. Bush in 2002 after serving as a district judge.